trapezoid
pronunciation
How to pronounce trapezoid in British English: UK [ˈtræpəzɔɪd]
How to pronounce trapezoid in American English: US [ˈtræpɪˌzɔɪd]
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- Noun:
- a quadrilateral with two parallel sides
- the wrist bone between the trapezium and the capitate bones
Word Origin
- trapezoid (n.)
- 1706, "a trapezium," from Modern Latin trapezoides, from Late Greek trapezoeides, noun use by Euclid of Greek trapezoeides "trapezium-shaped," from trapeza, literally "table" (see trapezium), + -oeides "shaped" (see -oid). Technically, a plane four-sided figure with no two sides parallel. But in English since c. 1800, often confused with trapezium in its sense of "a quadrilateral figure having only sides parallel and two not."
Example
- 1. A study on the strength of the trapezoid teeth of synchronous belts .
- 2. For making fine turning and trapezoid threading turning tools .
- 3. In a fountain colonnade wage-earners rolling dam , the trapezoid flows from here as spring water , therefore the name .
- 4. Note the rupture of the periosteal sleeve and complete rupture of the trapezoid and conoid ligaments .