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別の表記

• æquilateral (古風な用法)

語源

equi- +‎ lateral

発音

• 韻: -ætəɹəl

形容詞

equilateral (not comparable)

1. (geometry, of a polygon) Having all the sides equal.
2. (geometry, of a polyhedron) Having all the faces equal.
3. (zoology) Having the two sides equal, as a surface divisible by a longitudinal median line into two halves of the same form.
4. (zoology) Having all the convolutions of the shell in one plane, chiefly of foraminifers.

派生語

• equilateral triangle

名詞

equilateral (複数形 equilaterals)

1. A side exactly corresponding, or equal, to others.
2. A figure having all its sides equal.