noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a class of pentacyclic compounds, somewhat similar to steroids, that have various functions in prokaryotes

Etymology

From Hopea (genus of plant from which the substance was originally derived), from J Hope (Scottish botanist).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.