WordReference Random House Unabridged Dictionary of American English © 2026
Bt., 
  1. Baronet.

bt., 
    1. Nautical, Naval Termsboat.
    2. bought.

B.T., 
  1. Bachelor of Theology.

B.t., 
  1. Agriculture, MicrobiologySee Bacillus thuringiensis. 

'Bt.' also found in these entries (note: many are not synonyms or translations):

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