# plane figure

## Definitions

• WordNet 3.6
• n plane figure a two-dimensional shape
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Webster's Revised Unabridged Dictionary
• Plane figure a figure all points of which lie in the same plane. If bounded by straight lines it is a rectilinear plane figure, if by curved lines it is a curvilinear plane figure.
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Chambers's Twentieth Century Dictionary
• Plane figure a figure all of whose points lie in one plane
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## Etymology

Chambers's Twentieth Century Dictionary
Fr.,—L. planus, plain.

## Usage

### In literature:

I am not a plane Figure, but a Solid.
"Flatland: A Romance of Many Dimensions (Illustrated)" by Edwin A. Abbot
The shadow then of tyrannical pleasure determined by the number of length will be a plane figure.
"The Republic" by Plato
And from these last, lines of which plane figures consist.
"A History of Science, Volume 1(of 5)" by Henry Smith Williams
So that in building up a complicated piece of form, like a head or figure, the planes (or flat tones) should be sought for everywhere.
"The Practice and Science Of Drawing" by Harold Speed
Carnes shuddered as the doctor's figure disappeared under the plane.
"The Solar Magnet" by Sterner St. Paul Meek
McGee, looking down, could see the dim outline of the hangar tent and the running figures that were racing toward the burning plane.
"Aces Up" by Covington Clarke
Notice the character which is shown in every line and plane in the figure.
"The Painter in Oil" by Daniel Burleigh Parkhurst
I can't imagine why he went for the plane, though, unless he figured on sabotaging us that way.
"The Blue Ghost Mystery" by Harold Leland Goodwin
Anyhow, he got curious and figured out a way to mentalize himself into your plane.
"No Strings Attached" by Lester del Rey
They figured that we would head straight for it if we ever got our hands on a plane.
"Dave Dawson on Guadalcanal" by Robert Sydney Bowen
If we consider for the present only the primary plane of symmetry, the figure is reduced to two dimensions.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4" by Various
AL'TITUDE, in mathematics, the perpendicular height of the vertex or apex of a plane figure or solid above the base.
"The New Gresham Encyclopedia. Vol. 1 Part 1" by Various
Demi-relief, the projection of one half the figure beyond the plane from which it rises.
"A Manual of the Antiquity of Man" by J. P. MacLean
The form of a body depends on those of all its faces and sections; and these last are plane figures.
"Beauty" by Alexander Walker
I figured I'd be able to meet Ansaldo's plane, and I was right.
"The Five Arrows" by Allan Chase
Now I suddenly see sitting astride the top of the plane, some nine or ten feet above me, a muffled figure.
"'Green Balls'" by Paul Bewsher
These three form the foundation of trigonometry and of the mensuration of plane figures.
"The Teaching of Geometry" by David Eugene Smith
The figure is symmetrical with respect to the principal planes OAB, OAC, OBC.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7" by Various
Sometimes, on the Astral plane, it happens that friends meet under strange circumstances, and one figures largely in the doings of another.
"Ghosts I Have Seen" by Violet Tweedale
The figure contains the eye cut through in the plane of the choroid slit.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour
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### In news:

I don't know whether it's the president's problem, but somebody needs to get their ass on a plane and sit down, the two of them, and figure this out right now.
What the heck, I mean I been doin' some arithmetic and the way I figure is I made around \$6,000 an hour last year foolin' around on this board and that's not includin' those jet plane rides.
Shouts erupted as they tried to figure out whose plane flew the farthest.
Jackson's character in the movie " Snakes on a Plane" tries to figure out how to save the aircraft after crates of hyped-up serpents started killing the cast.
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### In science:

Figure 9: The l′ + 1 plane rooted trees corresponding to the class (II).
Random incidence matrices: moments of the spectral density
Not all collections of squares in Z3 correspond, once pro jected onto the plane, to tilings in the triangular grid: see for instance Figure 11 (a).
An algorithm to generate exactly once every tiling with lozenges of a domain
We can formulate this invariant as a state summation by using the formulas in Figure 12 to expand a given diagram into a sum of evaluations of labeled signed loops in the plane.
Bi-oriented Quantum Algebras, and a Generalized Alexander Polynomial for Virtual Links
Figure 10 shows the distribution of the CR track intersections with the radiator planes, with the minimal condition of at least 1 hit on the detector required.
Experimental study of a proximity focusing Cherenkov counter prototype for the AMS experiment
On the one hand, quadrangulations are ﬁnite plane graphs with four-regular faces (see Figure 1 and Section 2 for precise deﬁnitions).
Random Planar Lattices and Integrated SuperBrownian Excursion
Figure 2a illustrates the continuous transition scenario in the zero temperature H -∆ plane with a critical point at the end of a line of ﬁrst-order transitions.
Ground state numerical study of the three-dimensional random field Ising model
These two sets can be thought of as points and lines in a plane as in Figure 1.
Anomalous diffusion on random graphs
The region of analytic continuation in the complex plane is depicted in Figure 4.1.1.
Additive functionals on random search trees
In the left column of Figure 3 we show some examples of non planar minima correspondent to values of ω close to the half on an integer; on the right side we show their pro jections on the plane x3 = 0.
Action minimizing orbits in the n-body problem with simple choreography constraint
Figure 2: Points of the cyclic POVM in the xy -plane for m = 5.
Quantum circuits for single-qubit measurements corresponding to platonic solids
Figure 2: Distribution of cluster galaxies (mean redshift z ∼ 0.44) adapted from data presented by Poggianti et al. (1999) and Dressler et al. (1999) on a (g − r) colour–Hδ plane.
At the Vigintennial of the Butcher-Oemler Effect
Figure 2: Allowed regions in the plane em1 − | ǫ1 ǫmax |, for the neutrino Yukawa couplings with one texture zero that are compatible with all the available data at low energies.
Neutrino Phenomenology -- the case of two right handed neutrinos
Figure 2 shows a hyperplane arrangement A in R3, consisting of the ﬁve planes x + y + z = 0, x = y, y = z, z = x and x + y + z = 1 in that order.
Semimatroids and their Tutte polynomials
If f is hyperbolic, the planes η and σ are disjoint, the axis of f is orthogonal to both η and σ (see Figure 1(c)).
Discrete RP groups with a parabolic generator
Reproduction of Figure 1 (right) of Zampieri et al. (2004) showing the bimodal distribution of type II-P supernovae, in the MNi /MMS plane, from their model.
A Study of the Type II-P Supernova 2003gd in M74
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