helicoid

he·li·coid

adj \ˈhe-lə-ˌkȯid, ˈhē-\

Definition of HELICOID

1

: forming or arranged in a spiral

2

: having the form of a flat coil or flattened spiral <helicoid snail shell>

Variants of HELICOID

he·li·coid or he·li·coi·dal \ˌhe-lə-ˈkȯi-d^əl, ˌhē-\

First Known Use of HELICOID

circa 1704

Rhymes with HELICOID

adenoid, alkaloid, amoeboid, aneroid, anthropoid, arachnoid, asteroid, Australoid, carcinoid, Caucasoid, celluloid, crystalloid, echinoid, ellipsoid, embryoid, eunuchoid, flavonoid, hemorrhoid, hominoid, humanoid, hysteroid, metalloid, Mongoloid, myeloid, nautiloid, nucleoid, null and void, obovoid, opioid, osteoid, overjoyed, paranoid, planetoid, Polaroid, retinoid, rheumatoid, solenoid, Stalinoid, trapezoid, unalloyed, unemployed