trapezium

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trapezium

tra·pe·zi·um

 (trə-pē′zē-əm)
n. pl. tra·pe·zi·ums or tra·pe·zi·a (-zē-ə)
1. Mathematics
a. A quadrilateral having no parallel sides.
b. Chiefly British A trapezoid.
2. Anatomy A bone in the wrist at the base of the thumb.

[Originally, a quadrilateral with two parallel sides (later confused with trapezoid, originally, a quadrilateral having no parallel sides), from Modern Latin trapezium, a quadrilateral with two parallel sides, from Late Greek trapezion, from Greek, diminutive of trapeza, table : tra-, four; see kwetwer- in Indo-European roots + peza, foot; see ped- in Indo-European roots.]

trapezium

(trəˈpiːzɪəm)
n, pl -ziums or -zia (-zɪə)
1. (Mathematics) chiefly Brit a quadrilateral having two parallel sides of unequal length. Usual US and Canadian name: trapezoid
2. (Mathematics) chiefly US and Canadian a quadrilateral having neither pair of sides parallel
3. (Anatomy) a small bone of the wrist near the base of the thumb
[C16: via Late Latin from Greek trapezion, from trapeza table]
traˈpezial adj

tra•pe•zi•um

(trəˈpi zi əm)

n., pl. -zi•ums, -zi•a (-zi ə)
1.
a. (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram.
b. a quadrilateral plane figure of which no two sides are parallel.
2. the mammalian wrist bone that articulates with the metacarpal of the first digit or thumb.
[1545–55; < New Latin < Greek trapézion kind of quadrilateral, literally, small table, diminutive of trápeza table, shortening of *tetrapeza=tetra- four + -peza foot, akin to poús; see tetra-, foot]
tra•pe′zi•al, adj.

tra·pe·zi·um

(trə-pē′zē-əm)
A four-sided figure having no parallel sides.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trapezium - a quadrilateral with no parallel sidestrapezium - a quadrilateral with no parallel sides
U.S.A., United States, United States of America, US, USA, America, the States, U.S. - North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
quadrangle, quadrilateral, tetragon - a four-sided polygon
parallelogram - a quadrilateral whose opposite sides are both parallel and equal in length
2.trapezium - a multiple star in the constellation of OrionTrapezium - a multiple star in the constellation of Orion
multiple star - a system of three or more stars associated by gravity
3.trapezium - the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpalstrapezium - the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
carpal, carpal bone, wrist bone - any of the eight small bones of the wrist of primates
Translations

trapezium

[trəˈpiːzɪəm] N (trapeziums, trapezia (pl)) [trəˈpiːzɪə] (Math) → trapecio m

trapezium

n (Brit) → Trapez nt; (US) → Trapezoid nt

trapezium

[trəˈpiːzɪəm] n (Geom) → trapezio
References in classic literature ?
Let the reader picture to himself a series of visages presenting successively all geometrical forms, from the triangle to the trapezium, from the cone to the polyhedron; all human expressions, from wrath to lewdness; all ages, from the wrinkles of the new-born babe to the wrinkles of the aged and dying; all religious phantasmagories, from Faun to Beelzebub; all animal profiles, from the maw to the beak, from the jowl to the muzzle.
Co-extruded pillow snacks can be made in novel patterns such as chevrons, waves and trapeziums.
In addition, it is equipped with an independently-developed distortion correction circuit which corrects screen shapes such as rectangles that can be distorted into trapeziums when projected from certain angles to their original shape.
In addition, the solution requires some knowledge of the following special properties of trapeziums (of which the students are usually not aware), such as the Steiner theorem for a trapezium, and which should be introduced to them during presentation of the problem.
The continuations of the sides of two trapeziums with same height, a common large base, and a small base with a similar length, intersect at points which are located on one line parallel to the bases of the trapeziums.
And, since I've not utilised either piece of knowledge since then - I can't remember the last time I encountered trapeziums (trapezia?
infinity]] that the trapeziums ABCD and A B C D' are congruent.
So it wasn't helped that, 10 minutes in, a gang of burly men with over-developed trapeziums and cauliflower ears began swarming in, bellowing at each other over the dialogue about who had the nachos.
Doughnuts also have another interesting property, in that you can fill their surface with flat, two dimensional trapeziums.
We could say that we are really looking at Pascal Trapeziums for which the original one starts:
a decomposition of the parallelogram into a trapezium and a right-angled triangle; and