secosteroid

词形变化

secosteroids 复数 secosteroids

释义与例句

n.
  1. 1.

    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.

    化学

词源

Etymology tree Proto-Indo-European *sek-der. Latin secō Proto-Indo-European *ǵʰelh₃- Proto-Hellenic *kʰolā́ Ancient Greek χολή (kholḗ) Proto-Indo-European *ster-der. Ancient Greek στερεός (stereós) French cholestérine French cholestérolbor. English cholesterol English sterol Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd-der. Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English steroid English secosteroid From Latin secō (“to cut”) + English steroid.

来源：wiktionary