16-letter words containing d, i, a, c, o
- atmospheric tide — a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating.
- atwood's machine — a device consisting of two unequal masses connected by a string passed over a pulley, used to illustrate the laws of motion.
- 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.
- autodidactically — a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
- 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.
- 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
- 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
- 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.
- basic dichromate — an orange-red, amorphous, water-insoluble powder, Bi 2 O 3 ⋅2CrO 3 , used chiefly as a pigment in paints.
- batch production — production of goods in batches, rather than continuously
- bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
- biological child — any child conceived rather than adopted by a specified parent, and therefore carrying genes from the parent.
- 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.
- bordelaise sauce — a dark sauce made from meat stock, flour, wine, onions, seasonings, etc., served over broiled meat
- boreal chickadee — a brown-capped, black-throated chickadee (Parus hudsonicus) found near the Atlantic coast from Labrador to N New York
- borosilicic acid — any of several hypothetical acids that form borosilicates.
- botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
- brick-and-mortar — pertaining to conventional stores, businesses, etc., having physical buildings and facilities, as opposed to Internet or remote services.
- butenedioic acid — either of two geometrical isomers with the formula HOOCCH:CHCOOH
- calcium chloride — a white deliquescent salt occurring naturally in seawater and used in the de-icing of roads and as a drying agent. Formula: CaCl2
- calcium fluoride — a white, crystalline compound, CaF 2 , insoluble in water, occurring in nature as the mineral fluorite: used as a flux in metallurgy and as a decay preventive in dentifrices.
- caledonian canal — a canal in N Scotland, linking the Atlantic with the North Sea through the Great Glen: built 1803–47; now used mostly for leisure boating
- call of the wild — a novel (1903) by Jack London.
- campagna di roma — low-lying plain in central Italy, around Rome: c. 800 sq mi (2,072 sq km)
- canadian hemlock — eastern hemlock.
- canadian soldier — the mayfly.
- cape cod lighter — a device for lighting a fire, as in a fireplace, consisting of a lump of nonflammable material on a metal rod, that is soaked in kerosene or the like and lighted with a match.
- capelli d'angelo — angel hair.
- capital employed — the money used by a business for buying land, buildings, equipment etc
- carbon 14 dating — radiocarbon dating.
- carbon bisulfide — carbon disulfide
- carbon disulfide — a heavy, volatile, colorless liquid, CS2, highly flammable and poisonous, used as a solvent, insecticide, etc.
- carbon-14 dating — radiocarbon dating.
- carboxypeptidase — any of several digestive enzymes that catalyze the removal of an amino acid from the end of a peptide chain having a free carbonyl group.
- cardiac neurosis — an anxiety reaction characterized by quick fatigue, shortness of breath, rapid heartbeat, dizziness, and other cardiac symptoms, but not caused by disease of the heart.
- cardiotachometer — a device for counting heartbeats, usually displaying the number of beats per minute
- caroline islands — an archipelago of over 500 islands and islets in the W Pacific Ocean east of the Philippines, all of which are now part of the Federated States of Micronesia, except for the Palau group: formerly part of the US Trust Territory of the Pacific Islands; centre of a typhoon zone. Area: (land) 1183 sq km (457 sq miles)
- carrot and stick — If an organization has a carrot and stick approach or policy, they offer people things in order to persuade them to do something and punish them if they refuse to do it.
- cash on delivery — If you pay for goods cash on delivery, you pay for them in cash when they are delivered. The abbreviation C.O.D. is also used.
- cassini division — the gap or dark region between the two main outer rings of Saturn: it has a width of about 4,700 km (2,920 mi)
- casting director — the person in charge of choosing of actors for a production
- catherine howard — Catherine, c1520–42, fifth wife of Henry VIII.
- cedar revolution — the popular protests in 2005 that brought down the Lebanese cabinet and prompted Syria to withdraw its troops from Lebanon