geometer

From Middle English gemeter, geometer, ultimately from Late Latin geōmetrēs, from Ancient Greek γεωμέτρης (geōmétrēs), from γῆ (gê, “earth”) + μετρέω (metréō, “to measure”).

• (General American) IPA^(key): /d͡ʒiˈɑm.ə.tɚ/
• (Received Pronunciation) IPA^(key): /dʒiːˈɒm.ɪ.tə/

geometer (plural geometers)

1. A mathematician who specializes in geometry.
   • 1999, Joseph-Marie Montmasson, Invention and the Unconscious, page 56:

     But this idea, which is a general postulate in all demonstrations, has been taken for granted by every algebrician and geometer.

2. (zoology) Any species of geometrid moth (family Geometridae).

• (mathematician): geometrician, geometrist