noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A poisonous ptomaine found in peptones and in putrefying albuminous substances, such as fibrin, casein, brain, liver, and muscle. countable, uncountable

Etymology

From pepto- + toxin.

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