11-letter words containing a, t, o, r
- auto-repeat — a feature of computer keys whereby a character is generated repeatedly as long as the user holds down the key in question
- autochanger — a device in a record player or CD player that enables a small stack of records or CDs to be dropped automatically onto the turntable or player tray one at a time and played separately
- autocorrect — a function that attempts to correct errors made by the user when entering text into an electronic device
- autocracies — Plural form of autocracy.
- autodialers — Plural form of autodialer.
- autodialler — Alternative spelling of autodialer.
- autoerotism — pleasurable sensations or tensions arising in the erogenous body zones without external stimulation
- autographed — Simple past tense and past participle of autograph.
- autographic — of, for, or like an autograph or autographs
- autogravure — a particular process of photographic engraving in which images are projected directly onto a plate
- automorphic — shaped and designed after oneself
- autoreverse — a system in a tape player that automatically reverses the tape and plays another track when one track has finished
- autorotated — Simple past tense and past participle of autorotate.
- autostradas — Plural form of autostrada.
- autotrophic — (of organisms such as green plants) capable of manufacturing complex organic nutritive compounds from simple inorganic sources such as carbon dioxide, water, and nitrates, using energy from the sun
- autowinders — Plural form of autowinder.
- autoworkers — Plural form of autoworker.
- autozeroing — (electronics) A sampling technique that measures an offset from zero and later compensates by subtracting the difference.
- auxanometer — an instrument that measures the linear growth of plant shoots
- auxotrophic — designating or of a mutant organism requiring more nutritional substances than its prototrophic parent because it has lost the ability to make a certain enzyme
- average out — If a set of numbers average out to a particular figure or if you average them out to that figure, their average is calculated to be that figure.
- aversion-to — a strong feeling of dislike, opposition, repugnance, or antipathy (usually followed by to): a strong aversion to snakes and spiders.
- axerophthol — any form of vitamin A
- axonometric — of or relating to a projection method of representing three-dimensional objects on a flat surface
- azotobacter — any bacterium of the family Azotobacteriaceae, important in nitrogen fixation in the soil
- baby-mother — a young mother who has been abandoned by the baby's father just before or after the birth
- backcountry — an area far from cities and towns that is thinly populated and largely undeveloped; hinterland
- backstopper — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- backstroker — a person who swims the backstroke, especially a member of a competitive swimming team who specializes in the backstroke.
- backstrokes — Plural form of backstroke.
- bacteriocin — any protein-based toxin given off by bacteria to prevent the growth of related bacteria nearby
- bacteriosis — any bacterial disease
- bacteroides — any of several rod-shaped, anaerobic bacteria of the genus Bacteroides, occurring in the alimentary and genitourinary tracts of humans and other mammals, certain species of which are pathogenic.
- ballesteros — Severiano (sevɛˈrjano). 1957–2011, Spanish professional golfer: won the British Open Championship (1979; 1984; 1988) and the US Masters (1980; 1983)
- balmorality — an idealization of Scottish traditions and culture
- band theory — a theory of the electrical properties of metals, semiconductors, and insulators based on energy bands
- bannerstone — a North American prehistoric stone implement in the form of a double-edged ax with a notch or hole, possibly for attaching a handle.
- bantam work — Coromandel work.
- barfulation — /bar`fyoo-lay'sh*n/ Variation of barf used around the Stanford area. An exclamation, expressing disgust. On seeing some particularly bad code one might exclaim, "Barfulation! Who wrote this, Quux?"
- barnstormed — Simple past tense and past participle of barnstorm.
- barnstormer — to conduct a campaign or speaking tour in rural areas by making brief stops in many small towns.
- baroceptors — Plural form of baroceptor.
- baroclinity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
- baronetical — pertaining to baronets
- barotseland — a region in W Zambia. 44,920 sq. mi. (116,343 sq. km).
- barracootas — Plural form of barracoota.
- barracoutas — Plural form of barracouta.
- barrel bolt — a rod-shaped bolt for fastening a door or the like, attached to one side of the door at the edge and sliding into a socket on the frame of the opening.
- barrel knot — a knot for fastening together two strands of gut or nylon, as fishing lines or leaders.
- bartholomew — one of the twelve apostles (Matthew 10:3). Feast day: Aug 24 or June 11