Definitions for trapeziumtrəˈpi zi əm; -zi ə
This page provides all possible meanings and translations of the word trapezium
a quadrilateral with no parallel sides
a multiple star in the constellation of Orion
trapezium, trapezium bone, os trapezium(noun)
the wrist bone on the thumb side of the hand that articulates with the 1st and 2nd metacarpals
A four-sided polygon with two sides parallel; a trapezoid (modern sense)
A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
A bone of the carpus at the base of the first metacarpal, or thumb.
A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.
Origin: Recorded since 1570, from Late Latin trapezium, from τραπέζιον, diminutive of τράπεζα", itself from + πέζα.
a plane figure bounded by four right lines, of which no two are parallel
a bone of the carpus at the base of the first metacarpal, or thumb
a region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers
The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta¹ Orionis, is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On February 4, 1617 he sketched three of the stars, but missed the surrounding nebulosity. The fourth component was identified by several observers in 1673, and several more components were discovered later, for a total of eight by 1888. Subsequently several of the stars were determined to be binaries. Telescopes of amateur astronomers from about 5 inch aperture can resolve six stars under good seeing conditions. The Trapezium is a relatively young cluster that has formed directly out of the parent nebula. The five brightest stars are on the order of 15-30 solar masses in size. They are within a diameter of 1.5 light-years of each other and are responsible for much of the illumination of the surrounding nebula. The Trapezium may be a sub-component of the larger Orion Nebula Cluster, a grouping of about 2,000 stars within a diameter of 20 light-years.
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