“pelecoid”的英文意思

单词

pelecoid

释义

pelecoid, a. and n. Geom.|ˈpɛlɪkɔɪd|
Also 9 erron. peli-.
[ad. Gr. πελεκοειδής, f. πέλεκυς axe, hatchet + -ειδης -form, -shaped.]
a. adj. Hatchet-shaped.
b. n. A figure bounded by a semicircle, and two concave quadrants meeting in a point, and so resembling the blade of a battle-axe.
[1706Phillips, Pelecoides, a Name which some give to a certain Geometrical Figure, that somewhat resembles a Hatchet.]1727–41Chambers Cycl. s.v. Angle, Pelecoid Angle..is that in figure of a hatchet.1864Webster, Pelicoid. See Pelecoid.

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