16-letter words containing l, a, c, r, o
- atrioventricular — of, relating to, or affecting both the atria and the ventricles of the heart
- 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.
- autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.
- autofluorescence — (biology, microscopy) Self-induced fluorescence.
- 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.
- auxiliary police — a part-time reserve attached to a regular police force
- 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).
- 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.
- bacterioplankton — (biology) The bacterial component of marine plankton.
- balance of power — The balance of power is the way in which power is distributed between rival groups or countries.
- 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.
- balloon catheter — a type of catheter with a tiny, inflatable balloon at the tip, used in various surgical procedures
- 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.
- baltimore canyon — a submarine valley cut into the continental shelf and slope seaward of Chesapeake Bay.
- barclay de tolly — Prince Mikhail (mixaˈil). 1761–1818, Russian field marshal: commander in chief against Napoleon in 1812
- basic vocabulary — the set of lexical items in a language that are most resistant to replacement, referring to the most common and universal elements of human experience, such as parts of the body (foot, eye), universal features of the environment (water, star), common activities (eat, sleep), and the lowest numerals.
- beneficial owner — a person entitled to receive the profits or proceeds of property
- bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
- binocular fusion — fusion (def 5a).
- binocular-fusion — the act or process of fusing; the state of being fused.
- black chokeberry — See under chokeberry (def 1).
- 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
- 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
- blink comparator — an optical instrument used to detect small differences in two photographs of the same field or object by viewing them alternately, switching rapidly from one to the other.
- bomb calorimeter — a device for determining heats of combustion by igniting a sample in a high pressure of oxygen in a sealed vessel and measuring the resulting rise in temperature: used for measuring the calorific value of foods
- 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
- bracknell forest — a unitary authority in SE England, in E Berkshire. Pop: 110 100 (2003 est). Area: 109 sq km (42 sq miles)
- branchial groove — one of a series of rudimentary depressions on the surface of the embryo between adjacent branchial arches, homologous to the branchial clefts of gill-breathing ancestral forms.
- british columbia — a province of W Canada, on the Pacific coast: largely mountainous with extensive forests, rich mineral resources, and important fisheries. Capital: Victoria. Pop: 4 400 057 (2011 est). Area: 930 532 sq km (359 279 sq miles)
- broadloom carpet — any carpet woven on a wide loom and not having seams, especially one wider than 54 inches (137 cm).
- bronchial asthma — asthma.
- buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
- cabbage root fly — a dipterous fly, Erioischia brassicae, whose larvae feed on the roots and stems of cabbages and other brassicas: family Muscidae (houseflies, etc)
- 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.
- california poppy — a papaveraceous plant, Eschscholtzia californica, of the Pacific coast of North America, having yellow or orange flowers and finely divided bluish-green leaves
- california quail — a quail, Callipepla californica, of the western coast of the U.S., having grayish-brown plumage with black, white, and chestnut markings.
- call data record — (telecommunications) (CDR) A data record that contains information related to a telephone call, including the origination and destination addresses of the call, the time the call started and ended, the duration of the call, the time of day the call was made, toll charges that were added through the network, or charges for operator services.
- call to quarters — a bugle call shortly before taps, notifying soldiers to retire to their quarters
- calorimetrically — In a calorimetric manner.
- canada mayflower — a small wildflower (Maianthemum canadense) of the lily family, with white flowers and red, beadlike berries, found in the N U.S. and in Canada; bead-ruby
- canadian soldier — the mayfly.
- cannonball serve — (in tennis) a very fast low serve
- 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.