noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison. archaic

Etymology

From leuco- + (pto)maine.

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