follow Dictionary.com

What's the "een" in Halloween?

therapeutic index

noun, Pharmacology
1.
the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
Also called margin of safety.
Origin
1925-1930
1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
therapeutic-index in Medicine

therapeutic index n.
The ratio between the toxic dose and the therapeutic dose of a drug, used as a measure of the relative safety of the drug for a particular treatment.

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

Word of the Day

Word Value for therapeutic

18
20
Scrabble Words With Friends

Quotes with therapeutic-index