16-letter words containing r, e
- 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 daggers drawn — If you say that two people are at daggers drawn, you mean they are having an argument and are still very angry with each other.
- 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
- at the sharp end — If you say that someone is at the sharp end of a particular activity or type of work, you mean that they are involved in the most difficult or dangerous aspects of it.
- at-risk register — an official list of people or things considered to be exposed to possible threat, such as children in potentially abusive households or historic buildings in need of maintenance
- athanasian creed — a profession of faith widely used in the Western Church which, although formerly attributed to Athanasius, probably originated in Gaul between 381 and 428 ad
- atherothrombotic — (medicine) Pertaining to or caused by atherothrombosis, the sudden disruption of an atherosclerotic plaque.
- atlantic charter — the joint declaration issued by F. D. Roosevelt and Winston Churchill on Aug 14, 1941, consisting of eight principles to guide a postwar settlement
- 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.
- audience chamber — a room where a monarch or head of state conducts formal interviews
- audience figures — the number of people regularly watching a television programme or listening to a radio programme
- audio conference — a meeting that is conducted by the use of audio telecommunications
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- aureate language — a style of poetic diction, used originally in 15th-century English poetry, characterized by the use of ornate phrases and Latinized coinages.
- australian rules — a game resembling rugby football, played in Australia between teams of 18 men each on an oval pitch, with a ball resembling a large rugby ball. Players attempt to kick the ball between posts (without crossbars) at either end of the pitch, scoring six points for a goal (between the two main posts) and one point for a behind (between either of two outer posts and the main posts). They may punch or kick the ball and run with it provided that they bounce it every ten yards
- 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.
- auxiliary police — a part-time reserve attached to a regular police force
- auxiliary rafter — a rafter reinforcing a principal rafter.
- average adjuster — a person who calculates average claims, esp for marine insurance
- 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
- avian diphtheria — a virus disease of chickens and other birds characterized by warty excrescences on the comb and wattles, and often by diphtherialike changes in the mucous membranes of the head.
- 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.
- axminster carpet — a type of patterned carpet with a cut pile
- azodicarbonamide — (chemistry) An organic chemical, a yellow to orange red, odorless, crystalline powder, used in food industry as a food additive, a flour bleaching agent and improving agent and in foaming plastics.
- azuero peninsula — a peninsula in SW Panama, bordered on the E by the Gulf of Panama.
- babbage, charles — Charles Babbage
- babe-in-a-cradle — a tall orchid, Epiblema grandiflorum, of SW Australia with lilac to mauve flowers