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deltoid

Definitions

  • WordNet 3.6
    • adj deltoid triangular or suggesting a capital delta, with a point at the apex
    • n deltoid a large triangular muscle covering the shoulder joint and serving to abduct and flex and extend and rotate the arm
    • ***
Webster's Revised Unabridged Dictionary
    • Deltoid of or pertaining to the deltoid muscle.
    • Deltoid Shaped like the Greek Δ (delta); delta-shaped; triangular.
    • ***
Century Dictionary and Cyclopedia
    • deltoid Resembling the Greek letter Δ; triangular.
    • deltoid Specifically— In anatomy:
    • deltoid Forming a triangular place or part; being triangular: as, the deltoid muscle.
    • deltoid Relating to the deltoid muscle: as, the deltoid crest of the humerus.
    • deltoid In entomology, pertaining to or resembling the pyralid moths, or Deltoides.
    • deltoid In botany, triangular or trowel-shaped: as, a deltoid leaf: also applied to the cross-section of a leaf, etc.
    • n deltoid The large, coarse-fibered, triangular muscle of the shoulder, covering and protecting the joint, arising from the spine of the scapula, the acromion, and the clavicle, and inserted into the deltoid crest of the humerus. Its action raises the arm away from the side of the body. See cut under muscle.
    • n deltoid In zoology, a deltoid plate.
    • n deltoid In mathematics, a symmetrical quadrilateral with a diagonal as axis.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Deltoid of the form of the Greek Δ: triangular
    • ***

Etymology

Webster's Revised Unabridged Dictionary
Gr. deltoeidh`s delta- shaped; de`lta the name of the letter Δ + e'i^dos form: cf. F. deltoïde,. See Delta
Chambers's Twentieth Century Dictionary
Gr.,—Heb. daleth, a tent-door.

Usage

In literature:

I have no doubt that now you experience a feeling of nausea and intense thirst, with aching in the muscles, particularly the deltoid.
"The Insidious Dr. Fu-Manchu" by Sax Rohmer
The flaps were healed at the deltoid insertion and just below the groin.
"Anomalies and Curiosities of Medicine" by George M. Gould
A single muscle, the deltoid, in this case does most of the work.
"A Practical Physiology" by Albert F. Blaisdell
Pinnae ovate, the lowest deltoid.
"The Fern Lover's Companion" by George Henry Tilton
Its leaf is 'deltoid' in shape and indented at the edge.
"Among the Trees at Elmridge" by Ella Rodman Church
Dianthus deltoides, 81, 152; D. hybridus, 82.
"Hardy Perennials and Old Fashioned Flowers" by John Wood
Wound of entry 1 inch below the insertion of the deltoid; exit, on inner aspect of arm at a slightly lower level.
"Surgical Experiences in South Africa, 1899-1900" by George Henry Makins
G. Clavicular attachment of the deltoid muscle.
"Surgical Anatomy" by Joseph Maclise
The great tuberosity can be indistinctly felt on the lateral aspect of the shoulder through the fibres of the deltoid.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
The leaves are entire, lobed or toothed, often more or less deltoid or triangular in shape.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
David swabbed the spot on the upper deltoid.
"Category Phoenix" by Boyd Ellanby
It was just his deltoid that was affected and the nerve supply had evidently given out.
"Psychotherapy" by James J. Walsh
Fragment of right shoulder and arm as low as the deltoid.
"A Catalogue of Sculpture in the Department of Greek and Roman Antiquities, British Museum, Volume I (of 2)" by A. H. Smith
He told her what Sopley had said about his deltoid, Henson about his thigh.
"The Story of Louie" by Oliver Onions
The deltoid impression is very extensive, and descends pretty far down on the body of the bone.
"Artistic Anatomy of Animals" by Édouard Cuyer
Motor paralysis involving single muscles or groups of muscles is occasionally noticed, as of the deltoid or of one arm (Meschede).
"A System of Practical Medicine by American Authors, Vol. I" by Various
Anthers sagittate, acute; filaments deltoid or subulate.
"The Manual of the Botany of the Northern United States" by Asa Gray
Yet it's worth losing once to see that play of his right deltoid.
"The Incendiary" by W. A. (William Augustine) Leahy
Never plagued with an original idea, capable of talking both arms off at the deltoids, but not a bad old girl.
"The Trial of Callista Blake" by Edgar Pangborn
We have seen, for instance, the deltoids drawn in every conceivable pose of stress or calm.
"Modern Painting, Its Tendency and Meaning" by Willard Huntington Wright
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In news:

One of the problems in testing for a weak deltoid is the synergistic effect of the rotator cuff muscles which may mask deltoid insufficiency.
For the past five months, two to three times a week, I have exercised my arms - biceps, triceps and deltoids - using light weights (15 pounds) and lots of reps (15) and doing three sets of each exercise .
Description The Goalpost Rotation exercise works your medial deltoid, rear deltoid and rotator cuff.
Description The Hitchhiker exercise works your back, anterior deltoid, medial deltoid and rear deltoid.
When it arrives to creating decrease pectorals, triceps and frontal deltoids, dips are with out doubt one the best workouts I've ever used.
True poplars include aspen (Populus tremuloides), cottonwood (Populus deltoides) and balsam poplar (Populus balsamifera), all members of the willow family.
You'll strengthen your pectorals (the chest muscles) and your anterior deltoids or shoulders, plus, of course, your triceps.
The 32-year-old signed with the Nets on Feb 1, but played in five games before suffering a torn deltoid ligament in his left ankle and breaking a bone in a gruesome fall against the Pistons a week later.
Pictures of Williams balancing a yellow chick on his deltoid or hoisting a massive wicker cornucopia of fruits and vegetables appeared on billboards and in vegetarian magazines.
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In science:

For N = 3 this polygon becomes a deltoid (dotted lines in Fig. 1b), while for N = 4 a non-regular hexagon.
Random unistochastic matrices
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