Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

minimum lethal dose


Medical Definition of minimum lethal dose

  1. :  the smallest dose experimentally found to kill any one animal of a test group

Seen and Heard

What made you want to look up minimum lethal dose? Please tell us where you read or heard it (including the quote, if possible).