What is the Latin word for convexity?

The usual Latin words for “convexity” are convexĭtas, convexus. The right choice depends on the sense; see the distinctions below.

English → Latin

“convexity” in Latin

convexĭtasa vaulting, convex roundness, convexity, concavity convexusvaulted, arched, rounded; convex or concave (depending on context); inclined (sloping downwards)

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

convexity

convexitas (probably only in the elder Plin.): convexa (plur. of convexum, substantively used; e.g., convexa caeli).

Quick answer

What is the Latin word for convexity?: The usual Latin words for “convexity” are convexĭtas, convexus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.