|te.trə+ noun
Etymology: tetra- + zooid
: one of the first four blastozooids formed from the precocious stolon of the cyathozooid of a member of the genus Pyrosoma
|te.trə+ noun
Etymology: tetra- + zooid
: one of the first four blastozooids formed from the precocious stolon of the cyathozooid of a member of the genus Pyrosoma
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012