n. 几何学者, 尺蠖

[ noun ]
a mathematician specializing in geometry
<noun.person>

Geometer \Ge*om"e*ter\, n. [F. g['e]om[`e]tre, L. geometres,
geometra, fr. Gr. gewme`trhs, fr. ge`a, gh^, the earth +
me`tron measure. See {Meter} measure.]
1. One skilled in geometry; a geometrician; a mathematician.
--I. Watts.

2. (Zo["o]l.) Any species of geometrid moth; a geometrid.