polyacron

== English == === Etymology === From Ancient Greek πολῠ- (polŭ-) and ᾰ̓́κρον (ắkron). === Pronunciation === === Noun === polyacron (plural polyacrons) (archaic, geometry) A polyhedron. === References === “polyacron”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.