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17-letter words containing er

  • audubon's warbler — a common North American wood warbler, Dendroica coronata, having yellow spots on the rump, crown, and sides, including a white-throated eastern subspecies (myrtle warbler) and a yellow-throated western subspecies (Audubon's warbler)
  • average deviation — a measure of dispersion, computed by taking the arithmetic mean of the absolute values of the deviations of the functional values from some central value, usually the mean or median.
  • average seek time — (storage)   The mean time it takes to move the head of a disk drive from one track to another, averaged over the source and destination cylinders. Usually measured in milliseconds (ms). The average seek time gives a good measure of the speed of the drive in a multi-user environment where successive read/write request are largely uncorrelated. Ten ms is common for a hard disk and 200 ms for an eight-speed CD-ROM.
  • avogadro's number — the constant, 6.022 × 10 23 , representing the number of atoms, molecules, or ions in one mole of a substance. Symbol: N. Compare gram-atom, gram molecule.
  • bacteriologically — In a bacteriological manner; with respect to bacteriology.
  • bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
  • baden-wurttemberg — a state of SW Germany. Capital: Stuttgart. Pop: 53 938 (2003 est). Area: 35 742 sq km (13 800 sq miles)
  • balance of terror — military deterrence based on the possession of weapons of mass destruction by opponents in a conflict
  • balanced literacy — a method of teaching reading in which phonics and whole language approaches are both used to maximize student learning.
  • baltimore clipper — a small, fast American sailing vessel of the early 19th century, having a sharp hull form and two masts with a pronounced rake and carrying a brig or schooner rig.
  • barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
  • barchester towers — a novel (1857) by Anthony Trollope.
  • barred woodpecker — a climbing bird, Picoides minor, of the family Picidae
  • barren strawberry — a Eurasian plant, Potentilla sterilis, related to the strawberry that does not produce edible fruit
  • basic service set — (networking)   (BSS) A wireless local area network and all the wireless devices (e.g. PCs and laptops) that are associated with it. A BSS may or may not include an access point and is identified by a BSSID.
  • basketball player — someone who plays basketball
  • bbc microcomputer — A series of 6502-based personal computers launched by Acorn Computers Ltd. in January 1982, for use in the British Broadcasting Corporation's educational programmes on computing. The computers are noted for their reliability (many are still in active service in 1994) and both hardware and software were designed for easy expansion. The 6502-based computers were succeeded in 1987 by the Acorn Archimedes family.
  • be on tenterhooks — If you are on tenterhooks, you are very nervous and excited because you are wondering what is going to happen in a particular situation.
  • be over sb's head — If something such as an idea, joke, or comment goes over someone's head, it is too difficult for them to understand.
  • be over the limit — If someone is over the limit, they have drunk more alcohol than they are legally allowed to when driving a vehicle.
  • beardmore glacier — one of the largest glaciers, in central Antarctica. About 125 miles (200 km) long.
  • beer and skittles — enjoyment or pleasure
  • behaviour therapy — any of various means of treating psychological disorders, such as desensitization, aversion therapy, and instrumental conditioning, that depend on the patient systematically learning new modes of behaviour
  • bell-hanger's bit — a bit for drilling small holes through studs or the like.
  • bellflower family — the plant family Campanulaceae, characterized by chiefly herbaceous plants having simple, alternate leaves and solitary or clustered flowers with a bell-shaped, five-lobed, often blue or purple corolla, and including the harebell, Canterbury bells, and balloon flower.
  • belted kingfisher — a grayish-blue, North American kingfisher, Ceryle alcyon, having a white breast marked with a grayish-blue band.
  • benefit of clergy — sanction by the church
  • benjamin banneker — Benjamin, 1731–1806, U.S. mathematician, natural historian, and astronomer.
  • bergisch gladbach — city in W Germany, in the state of North Rhine-Westphalia: pop. 105,000
  • bergisch-gladbach — an industrial city in W Germany, near Cologne.
  • bermuda buttercup — a bulbous plant, Oxalis pescaprae, native to southern Africa, having nodding, yellow flowers.
  • bill of attainder — (formerly) a legislative act finding a person guilty without trial of treason or felony and declaring him attainted
  • billeting officer — an officer who is responsible for billeting
  • biological father — the man whose semen fertilized the ovum from which a child was born
  • biological marker — a substance, physiological characteristic, gene, etc that indicates, or may indicate, the presence of disease, a physiological abnormality or a psychological condition
  • biological mother — the mother who gave birth to a child
  • birth certificate — Your birth certificate is an official document which gives details of your birth, such as the date and place of your birth, and the names of your parents.
  • bitter almond oil — almond oil (def 2).
  • bitter-almond-oil — Also called sweet almond oil, expressed almond oil. a colorless to pale yellow fatty oil expressed from the seeds of the sweet almond, used in preparing perfumes and confections.
  • black huckleberry — a low eastern North American shrub, Gaylussacia baccata, of the heath family, having yellowish-green leaves with resinous dots on the underside, clustered orange-red flowers, and shiny, black, edible fruit.
  • black-tailed deer — a variety of mule deer, Odocoileus hemionus columbianus, of the western slope of the Rocky Mountains, having a tail that is black above.
  • black-water fever — a form of babesiosis seen in cattle, deer, bison, water buffalo, African buffalo, and reindeer; characterized by fever, depression, jaundice, dark red-black discolouration of the urine, anaemia, and death
  • blackpoll warbler — a North American warbler, Dendroica striata, the adult male of which has the top of the head black.
  • blood and thunder — A blood and thunder performer or performance is very loud and emotional.
  • blood cholesterol — a measurement of the amount of cholesterol in someone's blood
  • blood-and-thunder — sensationalism, violence, or exaggerated melodrama: a movie full of blood and thunder.
  • blowout preventer — A blowout preventer is a valve that can be closed when there is uncontrolled flow of fluids.
  • board of managers — a group of people responsible for managing an organization
  • boat-billed heron — a nocturnal, tropical American wading bird (Cochlearius cochlearius) with a large, broad bill: it is the only member of a family (Cochleariidae) of wading birds
  • body center plate — one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car truck.
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