13-letter words containing a, b, e, o
- anno hebraico — A.H.
- anthropophobe — One who dislikes human beings.
- antimetabolic — inhibiting metabolism
- antiobscenity — opposed to or working to combat obscenity
- any number of — several or many
- apple blossom — the blossom of an apple tree
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- arabian horse — one of a breed of horses, raised originally in Arabia and adjacent countries, noted for intelligence, grace, and speed.
- arachnephobia — Misspelling of arachnophobia.
- arboriculture — the cultivation of trees or shrubs, esp for the production of timber
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- armed robbery — a robbery that is carried out by people carrying guns
- armored cable — an electric cable having a metal protective covering
- armour-bearer — a retainer who carried the arms or armour of a warrior
- assembly code — assembly language
- assembly room — a room used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- assemblywoman — In the United States, an assemblywoman is a female elected member of an assembly of people who make decisions and laws.
- assemblywomen — Plural form of assemblywoman.
- asteroid belt — the concentrations of asteroids that move around the sun mainly between the orbits of Mars and Jupiter
- at one's back — behind, esp in support or pursuit
- at one's best — in one's best mood, form, health, etc.
- at the double — at twice normal marching speed
- atomic number — the number of protons in the nucleus of an atom of an element
- baal merodach — Marduk.
- baal shem tov — original name Israel ben Eliezer ?1700–60, Jewish religious leader, teacher, and healer in Poland: founder of modern Hasidism
- baal-shem-tov — (Israel ben Eliezer"Besht") c1700–60, Ukrainian teacher and religious leader: founder of the Hasidic movement of Judaism.
- baby primrose — a tender primrose, Primula forbesii, native to China and Burma, having white, hairy leaves and rose- or lilac-colored flowers with a yellow center.
- bachelor flat — a flat lived in, or intended for a bachelor
- bachelor girl — a young unmarried woman, esp one who is self-supporting
- bachelor seal — a young male seal, esp a fur seal, that has not yet mated
- bachelorettes — Plural form of bachelorette.
- back emission — the secondary emission of electrons from an anode
- back walkover — Racing. a walking or trotting over the course by a contestant who is the only starter.
- back-end load — the final charges of commission and expenses made by an investment trust, insurance policy, etc, when the investor is paid out
- backbone site — A key Usenet, electronic mail and/or Internet site; one that processes a large amount of third-party traffic, especially if it is the home site of any of the regional coordinators for the Usenet maps. Notable backbone sites as of early 1993 include uunet and the mail machines at Rutgers University, UC Berkeley, DEC's Western Research Laboratories, Ohio State University and the University of Texas. Compare rib site, leaf site.
- backgrounders — Plural form of backgrounder.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriocidal — Alternative spelling of bactericidal.
- bacteriogenic — Caused by bacteria.
- bacteriologic — a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacteriolytic — disintegration or dissolution of bacteria.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bacterioscopy — the examination of bacteria with a microscope.
- bacteriostats — Plural form of bacteriostat.
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- bad godesberg — official name of Godesberg.