geometrician

== English == === Etymology === From geometric +‎ -ian, presumably by analogy with other words in -ician, such as mathematician. === Pronunciation === IPA(key): /dʒiˌɒməˈtrɪʃən/ === Noun === geometrician (plural geometricians) A geometer; a mathematician specializing in the study of geometry. An erebid moth, Grammodes stolida, of Africa, Eurasia, and Australia. ==== Usage notes ==== For the mathematician, the synonym geometer is significantly more common. ==== Derived terms ====