19-letter words containing a, t, h, b
- electro-shock baton — a baton used as a weapon to pass an electric current through part of the body
- enabling technology — technology that enables the user to perform a task or to improve his or her overall performance: e.g. the internet
- exhibitionistically — In an exhibitionistic manner.
- fall by the wayside — to cease or fail to continue doing something
- for all sb is worth — If you do something for all you are worth, you do it with a lot of energy and enthusiasm.
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- hang in the balance — to fasten or attach (a thing) so that it is supported only from above or at a point near its own top; suspend.
- have a bone to pick — to have grounds for a quarrel
- have a problem with — to be unable to understand or do
- have sth against sb — If you have something against someone or something, you dislike them.
- heat of sublimation — the heat absorbed by one gram or unit mass of a substance in the process of changing, at a constant temperature and pressure, from a solid to a gaseous state. Compare sublime (def 10).
- heptachlorobiphenyl — (organic compound) Either of twenty-four isomers of the polychlorinated biphenyl containing seven chlorine atoms.
- horizontal mobility — movement from one position to another within the same social level, as changing jobs without altering occupational status, or moving between social groups having the same social status.
- human rights abuses — acts that contravene human rights
- hydrostatic balance — a balance for finding the weight of an object submerged in water in order to determine the upthrust on it and thus determine its relative density
- hydroxybutyric acid — ketone body.
- hyperbolic cosecant — a hyperbolic function that is the reciprocal of hyperbolic sine
- in the catbird seat — If you say that someone is in the catbird seat, you think that their situation is very good.
- interchangeableness — Quality of being interchangeable.
- isle of shoals boat — a sailing boat formerly used in Ipswich Bay, Massachusetts, rigged with two spritsails or gaff sails.
- isthmus of san blas — the narrowest part of the Isthmus of Panama. Width: about 50 km (30 miles)
- job creation scheme — a governmental scheme to increase the number of jobs in an area, organization, etc
- junior bantamweight — a boxer weighing up to 115 pounds (51.7 kg), between flyweight and bantamweight.
- know better than to — not to be so stupid as to
- label switched path — (networking) (LSP) The specific path through a network that a datagram follows, based on its MPLS labels.
- liberation theology — a 20th-century Christian theology, emphasizing the Biblical and doctrinal theme of liberation from oppression, whether racial, sexual, economic, or political.
- line-of-battle ship — ship of the line.
- lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
- make the best of it — cope
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
- non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- not by a long chalk — by no means; not possibly
- not by a long sight — on no account; not at all
- okeechobee waterway — a waterway in S Florida from the Atlantic Ocean to the Gulf of Mexico. 155 miles (244 km) long.
- olive-backed thrush — Swainson's thrush.
- on the baker's list — in good health
- on-the-job training — apprenticeship, learning by doing
- out at (the) elbows — shabby; poverty-stricken
- palaeoethnobotanist — someone who studies fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
- paschen-back effect — a splitting of spectral lines observed when the source of a radiation is subjected to a strong magnetic field, caused when the vectors associated with the spin and orbital angular momentum exhibit individual rather than common precession.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- protease inhibitors — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- put on the feed bag — Also called nose bag. a bag for feeding horses, placed before the mouth and fastened around the head with straps.
- redress the balance — to make a fair adjustment; see that justice is done
- research laboratory — place for scientific experimentation
- saber-toothed tiger — any of several extinct members of the cat family Felidae from the Oligocene to Pleistocene Epochs, having greatly elongated, saberlike upper canine teeth.