Trapezium is a synonym of trapezoid.
Trapezium is a related term of trapezoid.
In geometry us terms the difference between trapezoid and trapezium
is that trapezoid is a (convex) quadrilateral with two (non-adjacent) parallel sides while trapezium is a four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
In geometry british terms the difference between trapezoid and trapezium
is that trapezoid is a convex quadrilateral with no sides parallel and no equal sides while trapezium is a four-sided polygon with two sides parallel; a trapezoid (modern sense.
In anatomy terms the difference between trapezoid and trapezium
is that trapezoid is the trapezoid bone of the wrist while trapezium is the trapezium bone of the wrist.
trapezoid
Noun
(
en noun)
(geometry, US) A (convex) quadrilateral with two (non-adjacent) parallel sides.
(geometry, British) A convex quadrilateral with no sides parallel and no equal sides.
(anatomy) The trapezoid bone of the wrist.
Synonyms
* (sense) (British) trapezium
* (sense) irregular quadrilateral, (US) trapezium
Derived terms
* trapezoidal
trapezium
English
Noun
(en-noun)
(geometry, British) A four-sided polygon with two sides parallel; a trapezoid (modern sense)
(geometry, US) A four-sided polygon with no parallel sides and no sides equal; a simple convex irregular quadrilateral.
(anatomy) The trapezium bone of the wrist.
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.
Usage notes
* The terms (trapezium) and (trapezoid) have partially swapped meanings in the US and Canada as compared with the rest of the world.
Synonyms
* (US) trapezoid
* (British) irregular quadrilateral.
