16-letter words containing o, r, a, t, e
- association area — any of the regions of the cerebral cortex of the brain connected by numerous nerve fibers to all parts of both cerebral hemispheres and coordinating such higher activities as learning and reasoning.
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- astroarchaeology — archaeoastronomy.
- astroengineering — (scifi) The construction of megastructures in space by technologically advanced beings.
- astrometeorology — the study of the theoretical effects of astronomical bodies and forces on the earth's atmosphere.
- astronomer royal — an honorary title awarded to an eminent British astronomer: until 1972, the Astronomer Royal was also director of the Royal Greenwich Observatory
- at full throttle — If you say that something is done at full throttle, you mean that it is done with great speed and enthusiasm.
- at liberty to do — If someone is at liberty to do something, they have been given permission to do it.
- at one's leisure — when one has free time
- atherothrombotic — (medicine) Pertaining to or caused by atherothrombosis, the sudden disruption of an atherosclerotic plaque.
- atlantic croaker — a person or thing that croaks.
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atomic structure — the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
- atrioventricular — of, relating to, or affecting both the atria and the ventricles of the heart
- attendance order — (in Britain) an order issued by a court requiring a young offender to attend a specified place at specified times in order to carry out unpaid work, usually as an alternative to being fined
- attitude problem — a frame of mind perceived by others to be hostile or uncooperative
- attorney general — A country's Attorney General is its chief law officer, who advises its government or ruler.
- attorney-in-fact — a person authorized by power of attorney to act on the authorizer's behalf outside a court of law.
- attributive noun — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
- authority figure — a person whose real or apparent authority over others inspires or demands obedience and emulation: Parents, teachers, and police officers are traditional authority figures for children.
- autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
- autofluorescence — (biology, microscopy) Self-induced fluorescence.
- automatic camera — a camera in which the lens aperture or the shutter speed or both are automatically adjusted to the prevailing conditions
- automatic redial — a telephone service feature whereby the last number dialed is automatically called again, either after a specified time or when activated by the user.
- automatic repeat — a key on the keyboard of a typewriter, computer, etc, which, when depressed continuously, produces the character repeatedly until the key is released
- autoregressively — In an autoregressive manner.
- autostereoscopic — Of or pertaining to autostereoscopy.
- autotransformers — Plural form of autotransformer.
- aversion therapy — a method of suppressing an undesirable habit, such as excessive smoking, by causing the subject to associate an unpleasant effect, such as an electric shock or nausea, with the habit
- axis of symmetry — Mathematics. a straight line for which every point on a given curve has corresponding to it another point such that the line connecting the two points is bisected by the given line.
- bachelor of arts — a degree conferred on a person who has successfully completed his or her undergraduate studies, usually in a branch of the liberal arts or humanities
- bachelor-at-arms — bachelor (def 4).
- bacterioplankton — (biology) The bacterial component of marine plankton.
- badminton racket — the type of racket used in games of badminton
- balance of trade — A country's balance of trade is the difference in value, over a period of time, between the goods it imports and the goods it exports.
- ballast resistor — ballast (def 5a).
- ballast-resistor — Nautical. any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability.
- balloon catheter — a type of catheter with a tiny, inflatable balloon at the tip, used in various surgical procedures
- balloon mortgage — A balloon mortgage is a mortgage on which the repayments are relatively small until the large final payment.
- baltimore canyon — a submarine valley cut into the continental shelf and slope seaward of Chesapeake Bay.
- baltimore heater — a stove for heating a lower and upper room, having its fire door in the lower room.
- baltimore oriole — a North American oriole, Icterus galbula, the male of which has orange and black plumage
- bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
- barbecue stopper — a controversial current-affairs issue
- barclay de tolly — Prince Mikhail (mixaˈil). 1761–1818, Russian field marshal: commander in chief against Napoleon in 1812
- barium carbonate — a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.
- barometric error — error of a timepiece due to the fluctuations in density of the atmosphere through which the balance or pendulum moves.
- baron tweedsmuir — the title of Scottish novelist John Buchan