generatrix


gen·er·a·trix

noun \ˌje-nə-ˈrā-triks\
plural gen·er·a·tri·ces\-trə-ˌsēz, -ə-rə-ˈtrī-(ˌ)sēz\

Definition of GENERATRIX

:  a point, line, or surface whose motion generates a line, surface, or solid

First Known Use of GENERATRIX

1840

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