13-letter words containing a, e, o
- audaciousness — Risky or daring behaviour.
- audience room — a room for holding formal interviews or hearings.
- audiocassette — a cassette containing audiotape
- augmentations — Plural form of augmentation.
- auguste comte — (Isidore) Auguste (Marie François) [ee-zee-dawr oh-gyst ma-ree frahn-swa] /i ziˈdɔr oʊˈgüst maˈri frɑ̃ˈswa/ (Show IPA), 1798–1857, French founder of the philosophical system of positivism.
- auteur theory — the theory that creative directors are the major force in film-making
- authenticator — a person or thing that authenticates.
- authoritative — Someone or something that is authoritative gives an impression of power and importance and is likely to be obeyed.
- auto-destruct — self-destruct.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autocatalyses — Third-person singular simple present indicative form of autocatalyse.
- autocephalous — (of an Eastern Christian Church) governed by its own national synods and appointing its own patriarchs or prelates
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.
- autoeroticism — the arousal and use of one's own body as a sexual object, as through masturbation
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- automatonlike — Like an automaton; robotic.
- automechanism — an automatic mechanical system or component, especially a device that operates automatically under predetermined conditions.
- autoprojector — (theory) A self-applicable partial evaluator.
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- averruncation — the act of averting or turning away
- aviation fuel — fuel used to power airplanes
- 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.