secosteroid
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English[edit]
Etymology[edit]
Pronunciation[edit]
- sek'ō-stēr'oyd
- Hyphenation: Sec‧o‧ster‧oid
Noun[edit]
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.