minimal lethal dose

n.

The smallest quantity of a toxic substance or infectious agent that is found to be lethal.

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Nearby words

minimal, minimal art, minimal brain dysfunction, minimal dose, minimal infecting dose, minimal lethal dose, minimal pair, minimal reacting dose, minimalism, minimalist, minimalistic

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.