secosteroid
English
Etymology
(L. seco, "to cut")
Pronunciation
- sek'ō-stēr'oyd
- Hyphenation: Sec‧o‧ster‧oid
Noun
secosteroid (plural secosteroids)
- (organic chemistry) Any of the subclass of many terpenoid compounds of the tetracyclic steroid class that are structural relatives bearing a cleavage of one of the four rings of that parent class. The prototypical secosteroid is cholecalciferol, vitamin D3