<abbreviation> Median effective dose. ... (05 Mar 2000) ... 
median effective dose.
(= ED50) Median effective dose, that dose that produces a response in 50% of individuals or 50% of the maximal response.
The median effective dose of a pesticide, expressed as mg/kg of body weight, which produces a designated effect in 50% of the test organism exposed.
Type: Abbreviation Definitions: 1. Abbreviation for median effective dose.
Median effective dose to 50% of a population