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class

Definitions

  • The bottom boy of the class
    The bottom boy of the class
  • WordNet 3.6
    • v class arrange or order by classes or categories "How would you classify these pottery shards--are they prehistoric?"
    • n class education imparted in a series of lessons or meetings "he took a course in basket weaving","flirting is not unknown in college classes"
    • n class elegance in dress or behavior "she has a lot of class"
    • n class people having the same social, economic, or educational status "the working class","an emerging professional class"
    • n class a collection of things sharing a common attribute "there are two classes of detergents"
    • n class (biology) a taxonomic group containing one or more orders
    • n class a body of students who are taught together "early morning classes are always sleepy"
    • n class a body of students who graduate together "the class of '97","she was in my year at Hoehandle High"
    • n class a league ranked by quality "he played baseball in class D for two years","Princeton is in the NCAA Division 1-AA"
    • ***

Additional illustrations & photos:

A COOKING CLASS OF MOTHERS AND CHILDREN A COOKING CLASS OF MOTHERS AND CHILDREN

Webster's Revised Unabridged Dictionary
  • Interesting fact: By 1850, the manual coffee grinder found its way to most upper middle class kitchens of the U.S.
    • Class A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
    • Class A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes .
    • Class A high degree of elegance, in dress or behavior; the quality of bearing oneself with dignity, grace, and social adeptness.
    • Class A number of students in a school or college, of the same standing, or pursuing the same studies.
    • Class A set; a kind or description, species or variety. "She had lost one class energies."
    • Class (Methodist Church) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.
    • Class One session of formal instruction in which one or more teachers instruct a group on some subject. The class may be one of a course of classes, or a single special session.
    • Class To arrange in classes; to classify or refer to some class; as, to class words or passages.
    • v. i Class To be grouped or classed. "The genus or family under which it classes ."
    • Class To divide into classes, as students; to form into, or place in, a class or classes.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: In Elizabethan and Jacobean times, the age of a person when they marry was dependant on the person's class. Those with a high social status were permitted to marry at a younger age.
    • n class In anc. hist., one of the five divisions of the Roman citizens made, according to their wealth, by Servius Tullius, for purposes of taxation: a sixth division comprised those whose possessions fell below the minimum of the census.
    • n class An order or rank of persons; a number of persons having certain characteristics in common, as equality in rank, intellectual influence, education, property, occupation, habits of life, etc.
    • n class Any body of persons grouped together by particular circumstances or for particular reasons. Specifically— A number of pupils in a school, or of students in a college, of the same grade or pursuing the same studies; especially, in American colleges, the students collectively who are graduated, or in accordance with the rules of the college will be graduated, in the same year. There are four college classes, the freshman or lowest, the sophomore, the junior, and the senior. The word was first used in this sense in American colleges in the Latin form classis, and was borrowed from the universities of continental Europe, where it had during the sixteenth century replaced the medieval lectio.
    • n class A number of objects distinguished by common characters from all others, and regarded as a collective unit or group; a collection capable of a general definition; a kind. A natural class is a set of objects possessing important characters over and above those that are necessary for distinguishing them from others; but the term is applied by naturalists to groups which want this character, and which have not generally retained very long, unchanged, a place in science. See classification.
    • n class In natural history, a group of plants or animals next in rank above the order or superorder, and commonly formed by the union of several orders or superorders: but it may be represented by a single species. See classification. In zoology the class was the highest division of the animal kingdom in the Linnean system, when the word first acquired its technical zoölogical meaning. Linnæus arranged animals in six classes: Mammalia, Aves, Amphibia, Pisces, Insecta, Vermes; the next groups below were the orders. In the Cuvierian system a class was the first division of one of the four “great divisions” of the animal kingdom, Vertebrata, Mollusca, Articulata, and Radiata; thus Cuvier's four classes of Vertebrata were Mammalia, Aves, Reptilia, and Pisces. There are now recognized seven or eight subkingdoms or phyla of animals, divided into about thirty-five classes (see animal kingdom, under animal); the class being the division usually recognized next below the phylum or subkingdom, though some naturalists introduce a superclass, or division between the phylum and the class, as Ichthyopsida for the classes Pisces and Amphibia, or Sauropsida for the classes Aves and Reptilia. The class is always superior to the superorder, order, or suborder, and inferior to the kingdom, subkingdom, or phylum. In botany, likewise, the class is the next principal grade of divisions above the order, and in the Linnean system was the highest grade. The subclass, division, and cohort or alliance are, however, often variously intercalated as subordinate groupings between the class and the order. The phænogamic series or subkingdom of plants includes the three classes of gymnosperms (often united with the next), dicotyledons, and monocotyledons. The cryptogamic series has been ordinarily divided into the two classes of acrogens and thallogens; by recent authorities the number has been increased by three or four or more.
    • n class In geometry, the degree of a locus of planes; a division of algebraical loci bearing an ordinal number showing how many planes there are incident to the locus and passing through each line of Space. In the case of a plane locus, this is the number of lines in the plane incident to the locus and passing through each point in the plane. The ordinal number of the class of an algebraical surface is the number of tangent planes to the surface through each line of space. The class of an algebraical curve of double curvature is the number of osculating planes through each point of space; also, the class of a cone on which the curve lies. The class of an algebraical plane curve is the number of tangents through each point of the plane. The class of a congruence is the number of lines of the congruence passing through each point of space. The class of a complex is the class of the cone of lines of the complex passing through each point of space. The class of a cone is the class of a plane curve lying in it.
    • class To arrange in a class or classes; rank together; regard as constituting a class; refer to a class or group; classify; range.
    • class To place in ranks or divisions, as students that are pursuing the same studies; form into a class or classes, as in an educational institution. Synonyms Class, Classify; arrange, distribute, dispose. Class is the older and less precise word; it is applied to persons more often than classify. Classify is used in science rather than class, as being more exact.
    • class To be arranged or classed.
    • n class In petrography, in the quantitative classification of igneous rocks (see rock), the highest division. All igneous-rock magmas are divided into 5 classes, according to the proportions of salic and femic constituents. The salic minerals are quartz, feldspars, leucite, nephelite, sodalites, corundum, and zircon; the femic minerals are all other minerals except the aluminous ferromagnesian ones. These minerals are calculated from the chemical composition of each rock. The 5 classes are called persalane, dosalane, salfemane, dofemane, and perfemane.
    • n class In shipbuilding, the indication of the character, style of construction, and quality of workmanship and outfit of a merchant vessel, as determined by the rules and inspection of a registration society. The class to which a vessel is assigned is indicated in the register of each society by a conventional character such as 100A, 90A, etc. See A, 2 .
    • n class the indication of the size and power of any given type of war-ship: as, a first-class battle-ship, a first-, second-, or third-class cruiser, etc.
    • n class In crystallog., one of the thirty-two groups in which crystals are divided in accordance with the special type of symmetry which characterizes them. See symmetry.
    • class In shipbuilding, to assign to a class of a registration society, such as Lloyd's: said of a merchant vessel. A vessel not classed is one which has not been inspected and assigned a class by any registration society, or the classification of which has been refused for some reason, not necessarily involving deterioration or inferior quality.
    • class To be assigned to a class. See I., 3.
    • class An abbreviation of classic or classical
    • class of classification.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The symbols used on playing cards were supposed to represent the four classes of men: hearts represented the clergy; spades (from the Spanish word espada, or sword) represented the warriors; clubs were originally leaves and represented the peasants; and citizens and merchants were recognized in the diamonds.
    • n Class klas a rank or order of persons or things: high rank or social standing: a number of students or scholars who are taught together: a scientific division or arrangement: the position in order of merit of students after examination
    • v.t Class to form into a class or classes: to arrange methodically
    • v.i Class to take rank
    • ***

Quotations

  • Henry Ward Beecher
    Henry%20Ward%20Beecher
    “The ignorant classes are the dangerous classes.”
  • Leonard Sidney Woolf
    Leonard Sidney Woolf
    “There is nothing to which men cling more tenaciously than the privileges of class.”
  • Giambattista Vico
    Giambattista Vico
    “Common sense is judgment without reflection, shared by an entire class, an entire nation, or the entire human race.”
  • Earl Wilson
    Earl Wilson
    “Nowadays people can be divided into three classes -- the haves the have-nots and the have-not-paid-for-what-they-haves”
  • Andrea Dworkin
    Andrea%20Dworkin
    “Erotica is simply high-class pornography; better produced, better conceived, better executed, better packaged, designed for a better class of consumer.”
  • John Charles Salak
    John Charles Salak
    “Failures are divided into two classes -- those who thought and never did, and those who did and never thought.”

Idioms

Class act - Someone who's a class act is exceptional in what they do.
***

Etymology

Webster's Revised Unabridged Dictionary
F. classe, fr. L. classis, class, collection, fleet; akin to Gr. klh^sis a calling, kalei^n to call, E. claim, haul,

Usage

In literature:

Especially is this true if the class is large and the teacher attempts to have all the class pasting at one time.
"Primary Handwork" by Ella Victoria Dobbs
All this struggling between the classes and within them tends towards two results with both classes.
"Communism and Christianism" by William Montgomery Brown
If people belonged to the criminal classes it was their own look out, and they must take the consequences.
"When Ghost Meets Ghost" by William Frend De Morgan
The rest of the Senior class had appointed these three to write the class song, over a week ago.
"Polly's Senior Year at Boarding School" by Dorothy Whitehill
He described how the land magnates had devised to set themselves up as the law-making class.
"History of the Great American Fortunes, Vol. I" by Myers Gustavus
It was when I reached the senior class that I came in personal touch with Dr. Washington, as he taught that class in two or three subjects.
"Twenty-Five Years in the Black Belt" by William James Edwards
It is the method pursued in the higher classes of schools, and among more advanced students.
"In the School-Room" by John S. Hart
Into what three classes may they be divided?
"The Elements of Agriculture" by George E. Waring
While struggling to obtain the leadership of the working classes of Western Europe, Bakounin was also busy with Russian affairs.
"Violence and the Labor Movement" by Robert Hunter
But to that greater class who have only a modest investment for this first start in domestic life, mistakes are far more serious.
"Household Papers and Stories" by Harriet Beecher Stowe
The only class which at all resembles the territorial magnates of other countries is the class of retired officials.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
The dancing class went briskly on; so did the Livy class and the geometry, the English 1, the French required and the history elective.
"Betty Wales Freshman" by Edith K. Dunton
Prices of late: First class, fifty cents; second class, thirty-five cents per bushel.
"The Apple" by Various
A class may be a species relatively to one class, which is above it, and a genus relatively to one below it.
"Logic, Inductive and Deductive" by William Minto
Myrtle, who was two classes ahead of him but sometimes in the same room, reported that he dreamed too much.
"The "Genius"" by Theodore Dreiser
In fact, Class 3 was as much entitled to be Class 1 as Class 1 was to be Class 1.
"Seven Graded Sunday Schools" by Various
A very different class from the nuns, but, like them, a distinct class in the social life of Anglo-Saxon times, were the slaves.
"Women of England, Volume 9 (of 10)" by Burleigh James Bartlett
It is merely a class title, for every tribe in Australia is separated into classes with names.
"Oriental Women" by Edward Bagby Pollard
Or it can be reversed, and can admit all classes of Chinese except coolies, laborers, and the classes now excluded by other laws.
"Races and Immigrants in America" by John R. Commons
The sixth class, that of VERMES or WORMS, is a very heterogeneous one, and to later authors has supplied materials for several classes.
"Lives of Eminent Zoologists, from Aristotle to Linnæus" by William MacGillivray
***

In poetry:

"Don't you sign in that 'ooker,
Reid's Gulistan;
She's a fust-class looker,
But she kills 'er man."
"Hoodoo" by Cicely Fox Smith
She knows that if she mingles low,
The evil class will treat her so,
And those who try to upward soar—
Will shun her.
"The Model Girl" by Frank Barbour Coffin
Must hold the claims of Discontent
Mere envies of the mass;
That Life's repose was only meant
To dower the ruling class:
"Prosperity" by Bernard O Dowd
Then, fare you well, fare you well,
Life for us has just begun;
Don't regret, ne'er forget
This dear class of ninety one.
"Class Song of '91" by Eloise Alberta Bibb
My books unopened long have lain;
In class I am all astray:
The questions growing in my brain,
Demand and have their way.
"The Disciple" by George MacDonald
To the goodly house of worship, where, in order
due and fit,
As by public vote directed, classed and ranked the
people sit;
"Mary Garvin" by John Greenleaf Whittier

In news:

District Judge grants class certification to shipper lawsuit against US Class I rails.
It is that kind of dominance that has some wanting a new 16-school Class 7A, because even if North, NHS, the Edmonds and Moores can occasionally make the behemoths work at it, the bottom half of the class will never have a shot.
New InfoComm Classes Online classes are convenient, effective and a bargain.
Gaekle, the City Year volunteer, follows approximately 20 students from class to class every day.
A Feb 10 Associated Press article (" Economic crisis spurs personal finance classes") discusses how the soaring credit card debt is spurring state education officials to consider requiring students to take personal finance classes.
For 45 minutes, this class will make you feel like a world-class athlete.
UC Irvine School of Law Dean Erwin Chemerinsky congratulates one of 56 students who was part of the school's first graduating class in May The inaugural class achieved a 90 percent pass rate on the California bar exam in July.
Thank God Cranford still has some people who are sophisticated and mature enough to acknowledge that students in a special education class can be as bright as students in traditional or even gifted classes.
Twenty-four squads (eight from each of the three classes) from across the state will descend upon the Capital City beginning at 10 am to decide the state titlist in Class AAA, AA and A.
World Class Wines & World Class Cars – An Elegant Pairing.
A few teachers said they read the story aloud to their classes, including one college English professor who had her poetry class pen fat-cat poems, which she collected in a book and sent to Hercules' owner.
The design division has 12 classes and the horticulture division has 77 classes.
Class S champion Haddam-Killingworth finished tied for third with Class L runner-up Cheshire in the final state field hockey coaches poll Monday.
Sunset's prekindergarten classes — including Hannah Parrish's class, shown above — visited Mark's Melon Patch Oct 24.
While America's middle class disappears and wealth disparity continues to widen, other countries in world are experiencing growth in their middle-class citizens.
***

In science:

Then, the shortest multicurve representing a non-trivial homology class h is a simple closed geodesic if h is a primitive homology class (that is, not a multiple of another class), and a multiply covered geodesic otherwise.
A norm on homology of surfaces and counting simple geodesics
Each of the s conjugacy classes splits into s classes in eH : in the first class, τ transposes two of the first n1 elements leaving other elements fixed; in the second class, τ transposes two of the next n2 elements leaving the other elements fixed; etc.
Random walks on wreath products of groups
Class II, while regions I and III denotes measures in Class I and Class III, respectively.
On the properties of random multiplicative measures with the multipliers exponentially distributed
Thus in this context the necessity of considering cohomology classes generated by divisor classes springs from our inability to find useful equivariant classes not coming from the linear approximation spaces to G0,1(Pn, d).
Some applications of localization to enumerative problems
There are thus five classes when the reference spin is up; When the reference spin is down, there are five more classes, making the total number of classes 10.
An Introduction to Monte Carlo Simulation of Statistical physics Problem
To go beyond this geometrical picture of multilayers, let us introduce the following classification: a matrix is of class K when [Tr(Mas )]2 < 4, is of class A when [Tr(Mas )]2 > 4, and finally is of class N when [Tr(Mas )]2 = 4.
Simple trace criterion for classification of multilayers
Accordingly, both classes are derived from a mother class called Process, a virtual class which contains a minimal set of routines, i.e.
AMEGIC++ 1.0, A Matrix Element Generator In C++
The class name is deduced from the specific and unique process– id and the class itself is derived from a purely virtual mother class Values.
AMEGIC++ 1.0, A Matrix Element Generator In C++
The chiral classes • The first type of chiral classes corresponds to γ = 1 in eq. 2 and it comprises three classes.
2d random Dirac fermions: large N approach
Note that the sigma model is defined on the same manifold for the pair of classes 1 and 2 (class AIII), 5 and 7 (class DIII) and 6 and 8 (class C I); the difference between the two members of a pair consists only on the presence or absence of the WZW term.
2d random Dirac fermions: large N approach
Of course, that is a simple task when the class consists of four people—the Flaxville class of 1991 was the smallest graduating class in the state of Montana for that year.
Variational Principles in General Relativity
Such a class is called an orientation class or Thom class and if it exists, E is said to be orientable. A manifold is said to be orientable if its tangent bundle is.
Quantum Field Theory and Representation Theory: A Sketch
Since D = l(t), it is the torsion class of a torsion pair in Mod Λ, namely of (R, D), where R = r(D) = rl(t) is the smallest torsionfree class containing the class t.
Infinite dimensional representations of canonical algebras
Then the orbifold elliptic class of (Z, D) in A∗ (Z ) is defined as the pushforward π∗ of the orbifold elliptic class of (X, E ) and the orbifold elliptic genus of (Z, D) is defined as the orbifold elliptic genus of (X, E ) or alternatively as the degree of the orbifold elliptic class.
McKay correspondence for elliptic genera
The permutation RP R belongs to the same class (since class is preserved by unitary transformations), and furthermore each permutation in the class appears equally often as R is varied over the group.
Spectral statistics of the k-body random-interaction model
***