trapezium


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trapezium

 [trah-pe´ze-um]
an irregular, four-sided figure.

tra·pe·zi·um

, pl.

tra·pe·zi·a

,

tra·pe·zi·ums

(tra-pē'zē-ŭm, -ă),
1. A four-sided geometric figure with no two sides in parallel.
2. Synonym(s): trapezium (bone)
[G. trapezion, a table or counter, a trapezium, dim. of trapeza, a table, fr. tra- (= tetra-), four, + pous (pod-), foot]

trapezium

/tra·pe·zi·um/ (-um) [L.]
1. an irregular, four-sided figure.
2. the most lateral bone of the distal row of carpal bones.

trapezium

(trə-pē′zē-əm)
n. pl. trape·ziums or trape·zia (-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.

trapezium

[trəpē′zē·əm] pl. trapezia, trapeziums
Etymology: Gk, trapezion, small table
a carpal bone in the distal row of carpal bones. The trapezium articulates with the scaphoid proximally, the first metacarpal distally, and the trapezoideum and the second metacarpal medially. Also called greater multangular, os trapezium.

tra·pe·zi·um

, pl. trapezia, trapeziums (tră-pē'zē-ŭm, -ă, -ŭmz)
1. A four-sided geometric figure having no two sides parallel.
2. The lateral (radial) bone in the distal row of the carpus; it articulates with the first and second metacarpals, scaphoid, and trapezoid bones.
Synonym(s): os trapezium [TA] , greater multangular bone, os multangulum majus, trapezium bone.
[G. trapezion, a table or counter, a trapezium, dim. of trapeza, a table, fr. tra- (= tetra-), four, + pous (pod-), foot]

trapezium

an irregular, four-sided figure.
References in periodicals archive ?
In this technique, the entire trapezium is excised with preservation of a dorsally and distally based capsular flap.
The surgeon achieved anatomical reduction by gripping the patient's thumb in one hand and applying a distracting force, while simultaneously applying pressure on the radial aspect of the trapezium with the thumb ofthe surgeon's other hand.
We selected the trapezium area formula as a culminating discussion point, allowing us to use area as an inheritable characteristic that would prompt teachers to reconsider their hierarchy diagrams.
Using the concept of Brahmagupta Trapezium, Eric (2008) generated another form of Diophantine equation by defining m<n, positive integers to express as follows
infinity]] with the free finite points U, V, W will transform the parallelepiped into a prism, a truncated pyramid, a pyramid with a base, a parallelogram, trapezium, quadrilateral or triangle.
The small faint triple trapezium is situated 6' towards the south-east of star HD 54779 relative towards the middle area of the cluster.
The carpometacarpal, or basal joint--connecting the metacarpal bone in the thumb to the trapezium hone in the wrist--is most commonly affected by arthritis.
After standard preparation and draping, a 5 cm Wagner\'s/triradiate linear incision marked at junction of glabrous and non glabrous skin, centering over the trapezium was made.
India's Supreme Court in 1996 declared a 10,400-square-kilometer area a protected zone for the Taj Trapezium Zone after industries were found to be contributing to the monument's yellowing.
The area of each trapezium is calculated from the length of its base multiplied by its mean height:
Junya Ishigami came to international attention with delicate wall drawings and microcosmic greenhouses at the Japanese Pavilion for the 2008 Venice Biennale (AR October 2008), but in Japan he'd launched his career a year or so earlier with a glazed trapezium for a university workshop in Kanagawa Prefecture (AR September 2008) and a cubic cloud hovering in a vertical hall of the Museum of Contemporary Art Tokyo.