11-letter words containing r, a, t
- authorizing — Present participle of authorize.
- auto racing — the sport of racing automobiles in which drivers compete against each other on a course designed for racing or on closed public roads.
- auto-dialer — a telephone device that makes possible a service feature (au·to-dial) whereby a call is automatically made in response to a brief input signal from the user, as the pressing of a button.
- auto-erotic — producing sexual excitement or pleasure without association with another person or external stimulation.
- auto-prompt — (language) A numerical control language from IBM for 3D milling.
- 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
- avant-garde — Avant-garde art, music, theatre, and literature is very modern and experimental.
- 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.
- averruncate — to avert, to turn away
- aversion-to — a strong feeling of dislike, opposition, repugnance, or antipathy (usually followed by to): a strong aversion to snakes and spiders.
- awestricken — filled with awe.
- axerophthol — any form of vitamin A
- axisymmetry — any symmetry formed around an axis
- axonometric — of or relating to a projection method of representing three-dimensional objects on a flat surface
- azimuth bar — a device used in measuring azimuths, consisting of a bar with a sighting vane at each end,pivoted at its center, and rotating in a horizontal plane around the center of a compass.
- azotobacter — any bacterium of the family Azotobacteriaceae, important in nitrogen fixation in the soil
- baby sister — a younger sister
- baby-mother — a young mother who has been abandoned by the baby's father just before or after the birth
- baby-sitter — a person who takes care of a child or children while the parents are out
- babysitters — Plural form of babysitter.
- back matter — the parts of a book, such as the index and appendices, that follow the main text
- back stairs — stairs at the back of a house, as for use by servants.
- back street — A back street in a town or city is a small, narrow street with very little traffic.
- back-street — taking place in secrecy and often illegally: back-street political maneuvering; back-street drug dealing.
- backcountry — an area far from cities and towns that is thinly populated and largely undeveloped; hinterland
- backdraught — a reverse movement of air, gas, or liquid
- backscatter — the scattering of particles or radiation, such as sound waves, X-rays, or alpha-particles, by the atoms of the medium through which they pass, in the backward direction
- backscratch — a favour done for someone in return for another
- backseaters — Plural form of backseater.
- backstabber — someone who attacks another deceitfully, behind his or her back
- backstopper — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.