The Law Dictionary

Your Free Online Legal Dictionary • Featuring Black’s Law Dictionary, 2nd Ed.

EFFECTIVE DOSE 50 (ED50) Definition & Legal Meaning

Definition & Citations:

The dosage, the amount of a substance or drug, that is needed to make the wanted result or effect occur. For a test sample, it is the dosage required to get the specific effect in half of the test population. See also lethal dose 50.

Disclaimer

This article contains general legal information but does not constitute professional legal advice for your particular situation. The Law Dictionary is not a law firm, and this page does not create an attorney-client or legal adviser relationship. If you have specific questions, please consult a qualified attorney licensed in your jurisdiction.