4-letter words containing o
- azo- — indicating the presence of an azo group
- azof — Sea of, a northern arm of the Black Sea connected with the Black Sea by Kerch Strait. About 14,500 sq. mi. (37,555 sq. km).
- azon — a type of smart-bomb deployed in World War II
- azov — Sea ofnorthern arm of the Black Sea, in SE Europe: c. 14,000 sq mi (36,260 sq km)
- b.o. — B.O. is an unpleasant smell caused by sweat on a person's body. B.O. is an abbreviation for 'body odour'.
- baor — British Army of the Rhine
- bayo — a pinto or chili bean.
- bcom — Bachelor of Commerce
- bebo — (web) A social networking website based in California, USA.
- bedo — Burst Extended Data Out DRAM
- bego — to beset, to harass
- belo — Carlos Felipe Ximenes, born 1948, East Timorese Roman Catholic bishop: Nobel Peace Prize 1996.
- beos — (operating system) The operating system originally designed to run on the BeBox microcomputer. BeOS is good at both multitasking and real-time operation. It has a bash command shell, with ports of many GNU programs by Be, Inc. It has a GUI front end (not X). A C++ compiler is supplied with the machine, and there are rumours of other languages being ported in the future. BeOs eventually became used on the x86 and standard PPC. Be, Inc. went bankrupt in 1999, after releasing the last upgrade of BeOS (R5.0.3), and was sold to Palm. Several groups are currently (2003) attempting to create an R6 version of the OS. The most likely to succeed are Yellowtab and OpenBeOS, which is likely to be renamed.
- bfpo — British Forces Post Office
- biko — Steven Bantu, known as Steve. 1946–77, Black South African civil rights leader: founder of the South African Students Organization. His death in police custody caused worldwide concern
- bio- — Bio- is used at the beginning of nouns and adjectives that refer to life or to the study of living things.
- biog — biography.
- bion — fl. 2d cent. b.c.; Gr. pastoral poet
- bior — An early system on UNIVAC I or II.
- bios — Basic Input Output System: the built-in software which controls the primary functions of a PC
- biro — A Biro is a pen with a small metal ball at its tip which transfers the ink onto the paper.
- bito — a small tree found growing in Africa and Asia
- blob — A blob of thick or sticky liquid is a small, often round, amount of it.
- bloc — A bloc is a group of countries which have similar political aims and interests and that act together over some issues.
- blog — a journal or diary written for public viewing on a website and consisting typically of personal reflections, commentary on current events, etc. arranged chronologically
- blok — Aleksandr Aleksandrovich (alɪkˈsandr alɪkˈsandrəvitʃ). 1880–1921, Russian poet whose poems, which include Verses about the Beautiful Lady (1901–2) and Rasput'ya (1902–4), contain a mixture of symbolism, romanticism, tragedy, and irony
- blot — If something is a blot on a person's or thing's reputation, it spoils their reputation.
- blow — When a wind or breeze blows, the air moves.
- blox — A visual language.
- bmoc — big man on campus
- boac — British Overseas Airways Corporation
- boar — A boar or a wild boar is a wild pig.
- boas — Franz (frants). 1858–1942, US anthropologist, born in Germany. He made major contributions to cultural and linguistic anthropology in studies of North American Indians, including The Mind of Primitive Man (1911; 1938)
- boat — A boat is something in which people can travel across water.
- boaz — a kinsman of Naomi, who married her daughter-in-law Ruth (Ruth 2–4); one of David's ancestors
- boba — a variety of tea containing balls of pearl tapioca, originating in Taiwan in the 1980s
- bobo — burnt-out but opulent: a wealthy person who has taken early retirement from a highly paid profession
- bock — a dark beer traditionally drunk in the early spring
- bocs — Berard Object and Class Specifier
- bode — If something bodes ill, it makes you think that something bad will happen in the future. If something bodes well, it makes you think that something good will happen.
- bodo — a seaport in W Norway.
- body — Your body is all your physical parts, including your head, arms, and legs.
- boep — a protruding or distended belly
- boer — The Boers are the descendants of the Dutch people who went to live in South Africa.
- boet — brother; mate, chum
- boff — a loud, hearty laugh
- bofh — Bastard Operator From Hell
- bogo — BOGO is a way of encouraging more sales of a product by offering customers another item of the same type, free or for a reduced price.
- bogy — an imaginary evil being or spirit; goblin
- bohm — Karl (karl). 1894–1981, Austrian orchestral conductor