16-letter words containing a, c, r, d

apple of discord — a golden apple inscribed "For the fairest". It was claimed by Hera, Athena, and Aphrodite, to whom Paris awarded it, thus beginning a chain of events that led to the Trojan War
applied research — research that is put to practical use
arachidonic acid — a fatty acid occurring in animal cells: the metabolic precursor of several groups of biologically active substances, including prostaglandins
arctic red river — a river in the W Northwest Territories, Canada, flowing NW to the Mackenzie River. 310 miles (500 km) long.
armed forces day — the third Saturday in May, observed in some areas of the U.S. as a holiday in honor of all branches of the armed forces.
around the clock — continuing without pause or interruption: an around-the-clock guard on the prisoner.
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
artificial blood — a chemical emulsion, capable of carrying oxygen and carbon dioxide, for temporary use as a blood substitute in medical emergencies or when a patient objects to blood transfusions on religious grounds.
as distinct from — If you say that you are talking about one thing as distinct from another, you are indicating exactly which thing you mean.
ascending rhythm — rising rhythm.
ask for feedback — If you ask for feedback, you ask someone, such as a guest in a hotel, to tell you if they enjoyed their stay and what could be improved.
asparaginic acid — aspartic acid.
associate degree — An associate degree is a college degree that is awarded to a student who has completed a two-year course of study.
aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
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
atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
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
auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
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.
autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
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
back-seat driver — If you refer to a passenger in a car as a back-seat driver, they annoy you because they constantly give you advice.
background check — an investigation into a person's origins and previous history
background music — music of any kind that is played while some other activity is going on, so that people do not actively attend to it
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
backward-looking — If you describe someone or something as backward-looking, you disapprove of their attitudes, ideas, or actions because they are based on old-fashioned opinions or methods.
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)
ballroom dancing — Ballroom dancing is a type of dancing in which a man and a woman dance together using fixed sequences of steps and movements.
bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
barclay de tolly — Prince Mikhail (mixaˈil). 1761–1818, Russian field marshal: commander in chief against Napoleon in 1812
basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
batch production — production of goods in batches, rather than continuously
bearish tendency — a tendency for share prices to fall
bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
black propaganda — propaganda that does not come from the source it claims to come from
black woodpecker — a large woodpecker, Dryocopus martius, found in parts of Eurasia and Africa
black-letter day — an unlucky or tragic day.
blacktailed deer — a mule deer, esp. the subspecies (Odocoileus hemionus columbianus) found from N Calif. to British Columbia
bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
boarding officer — a coastguard who boards ships suspected of carrying illegal cargoes or posing a security risk
bonhomme richard — the flagship of John Paul Jones.

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