Initialism of behind the scenes.

(software) Initialism of bug tracking system.

(Malaysia, colloquial) Initialism of Berjaya Times Square (“a shopping complex in Kuala Lumpur”). / (music) Initialism of Bangtan Sonyeondan (“a South Korean boy band”).

plural of BT

Initialism of blood test. / (law) Initialism of bench trial. / (Judaism) Initialism of baal teshuva. / Initialism of Bacillus thuringiensis toxin. / Initialism of botulinum toxin.

Initialism of British Telecom. / (networking) Initialism of BitTorrent. / (electronics) Abbreviation of Bluetooth. / Abbreviation of Banten, a province of Indonesia.

(Internet slang, text messaging) Abbreviation of but.

Abbreviation of baronet, a title used after a holder's surname. / (bacteriology, agriculture) Bacillus thuringiensis, a species of bacteria used for biological control of insects. / Ellipsis of Bt toxin.

(Britain) Abbreviation for Baronetess, the feminine form of Baronet. It is a post-nominative title; the pre-nominative is Dame (e.g. Dame Jane Smith Btss). A more progressive form is for the holder of the honor to use Bt as a post-nominative (e.g. Dame Jane Smith Bt), as it does not refer to the recipient's gender (though the title "Dame" still does).

plural of BTS