3-letter words starting with b
- bcg — bacille Calmette-Guérin (antituberculosis vaccine)
- bch — Bachelor of Surgery
- bcl — Bachelor of Civil Law
- bcs — Bachelor of Computer Science
- bd. — board.
- bda — British Dental Association
- bdc — Backup Domain Controller
- bdd — body dysmorphic disorder
- bde — brigade
- bdk — Black Disciple Killers
- bdl — bundle
- bds — bundles
- be- — Be- can be added to a noun followed by an '-ed' suffix to form an adjective that indicates that a person is covered with or wearing the thing named.
- bea — British European Airways
- bed — A BEd is a degree which usually takes four years to complete and which qualifies someone to teach in a school. BEd is an abbreviation for 'Bachelor of Education.' Compare PGCE.
- bee — A bee is an insect with a yellow-and-black striped body that makes a buzzing noise as it flies. Bees make honey, and can sting.
- bef — British Expeditionary Force, the British armies that served in France and Belgium 1914–18 and in France 1939–40
- beg — If you beg someone to do something, you ask them very anxiously or eagerly to do it.
- bel — a unit for comparing two power levels, equal to the logarithm to the base ten of the ratio of the two powers
- bem — British Empire Medal
- ben — an inner room in a house or cottage
- ber — 1. (protocol, standard) Basic Encoding Rules. 2. (communications) Bit Error Rate.
- bes — an ancient Egyptian god represented as a grotesque hairy dwarf: the patron of music and pleasure
- bet — If you bet on the result of a horse race, football game, or other event, you give someone a sum of money which they give you back with extra money if the result is what you predicted, or which they keep if it is not.
- bev — gigaelectronvolts (GeV)
- bey — (in the Ottoman Empire) a title given to senior officers, provincial governors, certain other officials or nobles, and (sometimes) Europeans
- bez — the branch of a deer's horn above the brow-antler
- bff — best friend forever
- bfi — British Film Institute
- bfn — bye for now
- bgh — bovine growth hormone
- bgp — Border Gateway Protocol
- bgt — Britain's Got Talent: a UK television talent show first broadcast in 2007
- bha — a waxy, white, synthetic antioxidant, (CH3)3CC6H3OHOCH3, used as a preservative in foods containing fats and oils
- bhc — benzene hexachloride
- bhn — Brinell hardness number
- bhp — brake horsepower
- bhs — (in Britain) British Horse Society
- bht — a white, synthetic antioxidant, [C(CH3)3]2CH3C6H2OH, used as an additive in foods, fuels, rubber, etc.
- bi- — Bi- is used at the beginning of nouns and adjectives that have 'two' as part of their meaning.
- bia — Bureau of Indian Affairs
- bib — A bib is a piece of cloth or plastic which is worn by very young children to protect their clothes while they are eating.
- bic — A BIC is a number used by a particular bank or financial organization for sending and receiving payments.
- bid — A bid for something or a bid to do something is an attempt to obtain it or do it.
- big — A big person or thing is large in physical size.
- bim — a native or inhabitant of Barbados
- bin — A bin is a container that you put rubbish in.
- bio — a biography, often a very brief one
- bip — An incorrect singular of BIPS. One billion instructions per second is 1 BIPS, not 1 BIP.
- bis — twice; for a second time (used in musical scores to indicate a part to be repeated)