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nautiloid
noun nau·ti·loid \ˈnȯ-tə-ˌlȯid, ˈnä-\
Definition of NAUTILOID
: any of a subclass (Nautiloidea) of cephalopods bearing an external straight, curved, or spiral shell that were abundant chiefly in the Paleozoic but are represented in the recent fauna only by the nautiluses
— nautiloid adjective
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First Known Use of NAUTILOID
circa 1728
Rhymes with NAUTILOID
adenoid, alkaloid, amoeboid, aneroid, anthropoid, arachnoid, asteroid, Australoid, carcinoid, Caucasoid, celluloid, crystalloid, echinoid, ellipsoid, embryoid, eunuchoid, flavonoid, helicoid, hemorrhoid, hominoid, humanoid, hysteroid, metalloid, Mongoloid, myeloid, nucleoid, null and void, obovoid, opioid, osteoid, overjoyed, paranoid, planetoid, Polaroid, retinoid, rheumatoid, solenoid, Stalinoid, trapezoid, unalloyed, unemployed
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