Definition of norsteroid in English:

norsteroid

noun

Biochemistry
  • A steroid that lacks a methyl side chain (especially the one containing the carbon atom numbered 19), or in which one of its rings has lost a methylene group.

Origin

1950s; earliest use found in Journal of the Chemical Society. From nor- + steroid.

Pronunciation

norsteroid

/nɔːˈstɛrɔɪd//nɔːˈstɪərɔɪd/