1

Bt

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noun \ˈbē-ˈtē\

Definition of Bt

  1. :  a preparation of a bacterium (Bacillus thuringiensis) often modified by genetic engineering for use as a biopesticide against insects and especially lepidopteran larvae; also :  the bacterium itself

Origin and Etymology of bt

New Latin Bacillus thuringiensis, species name, literally, Thuringian bacillus


First Known Use: 1971


2

Bt

abbreviation

Definition of Bt

  1. baronet


Medical Dictionary

BT

abbreviation

Medical Definition of BT

  1. 1bedtime

  2. 2brain tumor

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