Bt

See also: bt, BT, bT, .bt, and bṯ

English

Noun

Bt (usually uncountable, plural Bts)

1. Abbreviation of baronet, a title used after a holder's surname.

   Sir John Spencer-Smith, Bt

   Synonym: Bart

2. (bacteriology, agriculture) Bacillus thuringiensis, a species of bacteria used for biological control of insects.

   Synonyms: B. thuringiensis, Bacillus thuringiensis

   1. Ellipsis of Bt toxin.
3. (bacteriology) Initialism of botulinum toxin.
4. (mineralogy) Abbreviation of biotite.
   • 2017, J. Theo Kloprogge, Robert Lavinsky, “Introduction: Geological Examples”, in Photo Atlas of Mineral Pseudomorphism, Amsterdam: Elsevier, →ISBN, page 88:

     (A) Plane-polarized light and (B) back-scattered electron (BSE) images. The pseudomorph (Crd) is made up of Grt + Qtz + Ky rodlets + micas flakes (mainly biotite, Bt).

Alternative forms

• (baronet): Bt.
• (Bacillus thuringiensis): B.t.
• (Bt toxin): BT
• (botulinum toxin): BT

Hyponyms

• (Bacillus thuringiensis): Bti

Derived terms

• (Bacillus thuringiensis): Bt toxin / BT (Bacillus thuringiensis toxin)

Related terms

• (Bacillus thuringiensis): Bacillus, thuringiensis
• (botulinum toxin): botulinum, toxin

Anagrams

• TB, Tb