ellipsoid

el·lip·soid

noun \i-ˈlip-ˌsȯid, e-\

Definition of ELLIPSOID

: a surface all plane sections of which are ellipses or circles

— el·lip·soi·dal \i-ˌlip-ˈsȯi-d^əl, (ˌ)e-\ also ellipsoid adjective

First Known Use of ELLIPSOID

1721

Rhymes with ELLIPSOID

adenoid, alkaloid, amoeboid, aneroid, anthropoid, arachnoid, asteroid, Australoid, carcinoid, Caucasoid, celluloid, crystalloid, echinoid, embryoid, eunuchoid, flavonoid, helicoid, 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