01 n. That which generates; the point, or the mathematical magnitude, which, by its motion, generates another magnitude, as a line, surface, or s…
pl.
Generatrices, Generatrixes ((#))
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1.
That which generates; the point, or the mathematical magnitude, which, by its motion, generates another magnitude, as a line, surface, or solid; -- called also describent.(Geom.) Also: describent