| 释义 |
bt
I. abbreviation
1. baronet
2. bent
3. boat
4. bought
5. brevet
II. \¦bēˈtē\ noun
(-s)
Usage: usually capitalized B
Etymology: New Latin Bacillus thuringiensis, species name, literally, Thuringian bacillus; from its discovery in larvae of Mediterranean flour moths from a mill in Thuringia
: a variable bacterium of the genus Bacillus (B. thuringiensis) that produces various crystal proteins during sporulation some of which are toxic to various insect larvae especially of the orders Lepidoptera, Diptera, and Coleoptera ; also : a preparation of this bacterium often modified by genetic engineering for use as a biopesticide having activity against specific insects |