16-letter words containing a, d, r, e, n
- andromeda galaxy — a spiral galaxy, appearing to the naked eye as a fuzzy oval patch in the constellation Andromeda; it is a close neighbor to our own galaxy.
- andromeda strain — a hypothetical microorganism, as might be developed from biological research, that if released would uncontrollably kill living things on earth
- angular diameter — the angle that the apparent diameter of a celestial object subtends at the eye of the observer.
- animated cartoon — a film produced by photographing a series of gradually changing drawings, etc, which give the illusion of movement when the series is projected rapidly
- anode dark space — the dark region between the anode glow and the anode in a vacuum tube, occurring when the pressure is low.
- anode resistance — (of a vacuum tube at a given level of output) the ratio of a small change in voltage of the anode to the corresponding small change in anode current.
- answer-back code — a unique code that identifies the telex machine to which a message is sent
- anti-federalists — U.S. History. a member or supporter of the Antifederal party.
- antianxiety drug — any of various substances, as benzodiazepines, that are primarily used to treat various forms of anxiety and psychosomatic conditions.
- anxiety disorder — any of various mental disorders characterized by extreme anxiety and including panic disorder, post-traumatic stress disorder, and generalized anxiety disorder
- apples and pears — stairs
- armed neutrality — military preparedness without commitment, especially as the expressed policy of a neutral nation in wartime; readiness to counter with force an invasion of rights by any belligerent power.
- arms and the man — a comedy (1898) by G. B. Shaw.
- around the clock — continuing without pause or interruption: an around-the-clock guard on the prisoner.
- around the world — in many countries
- around-the-clock — all day and all night
- arsenic trioxide — a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
- ascending rhythm — rising rhythm.
- assigned numbers — (standard) The RFC STD 2 documenting the currently assigned values from several series of numbers used in network protocol implementations. This RFC is updated periodically and, in any case, current information can be obtained from the Internet Assigned Numbers Authority (IANA). If you are developing a protocol or application that will require the use of a link, socket, port, protocol, etc., you should contact the IANA to receive a number assignment.
- assistant editor — a person who assists an editor in their work
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- 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 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.
- 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
- 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
- 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
- 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.
- 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.
- babe-in-a-cradle — a tall orchid, Epiblema grandiflorum, of SW Australia with lilac to mauve flowers
- background check — an investigation into a person's origins and previous history
- background noise — any type of noise that is not the sound that you are specifically listening to or monitoring
- background paper — a report or other piece of writing that is intended to provide contextual and historical information that will help people understand a particular topic or situation
- 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.
- balearic islands — a group of islands in the W Mediterranean, consisting of Majorca, Minorca, Ibiza, Formentera, Cabrera, and 11 islets: a province of Spain. Capital: Palma, on Majorca. Pop: 1 071 500 (2003 est). Area: 5012 sq km (1935 sq miles)
- band-pass filter — a filter that transmits only those currents having a frequency lying within specified limits
- bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
- baron tweedsmuir — the title of Scottish novelist John Buchan
- bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
- batlle y ordonez — José [haw-se] /hɔˈsɛ/ (Show IPA), 1856–1929, Uruguayan statesman: president of Uruguay 1903–07, 1911–15.
- bearing pedestal — an independent support for a bearing, usually incorporating a bearing housing
- bearish tendency — a tendency for share prices to fall
- bells of ireland — an annual garden plant, Moluccella laevis, whose flowers have a green cup-shaped calyx: family Lamiaceae (labiates)
- bermuda triangle — an area in the Atlantic Ocean bounded by Bermuda, Puerto Rico, and Florida where ships and aeroplanes are alleged to have disappeared mysteriously
- bertrand russell — (person) (1872-1970) A British mathematician, the discoverer of Russell's paradox.
- bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
- biodeterioration — biodegradation.
- bird in the hand — any warm-blooded vertebrate of the class Aves, having a body covered with feathers, forelimbs modified into wings, scaly legs, a beak, and no teeth, and bearing young in a hard-shelled egg.