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21-letter words containing h, e, r, i, t

  • ophthalmia neonatorum — inflammation of the eyes of a newborn child due to an infectious disease, as gonorrhea, contracted during birth from the infected mother.
  • ortho-dichlorobenzene — a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.
  • orthogonal projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
  • paper-white narcissus — a white-flowered variety of Narcissus tazetta, often forced for indoor bloom.
  • part of the furniture — If you describe someone or something as part of the furniture, you are suggesting that they have been somewhere such as their place of work for such a long time that it is hard to imagine that place without them.
  • path coverage testing — (testing)   Testing a program by examining which lines of executable code are visited (as in code coverage testing) and also the ways of getting to each line of code and the subsequent sequence of execution. Path coverage testing is the most comprehensive type of testing that a test suite can provide. It can find more bugs, especially those that are caused by data coupling. However, path coverage is hard and usually only used for small and/or critical sections of code.
  • pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
  • pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
  • photoelectric current — photocurrent.
  • pipelined burst cache — Pipeline Burst Cache
  • polygenic inheritance — the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect.
  • populist shop steward — a shop steward who operates in a delegate role, putting the immediate interests of his members before union principles and policies
  • portrait photographer — a photographer who specializes in portraits
  • primary sex character — any of the body structures directly concerned in reproduction, as the testes, ovaries, and external genitalia.
  • profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
  • promoter of the faith — devil's advocate (def 2).
  • propantheline bromide — a substance, C 2 3 H 3 0 BrNO 3 , used in the treatment of peptic ulcers.
  • protestant work ethic — work ethic.
  • pseudohermaphroditism — an individual having internal reproductive organs of one sex and external sexual characteristics resembling those of the other sex or being ambiguous in nature. Compare hermaphrodite (def 1).
  • psychopathic disorder — (in England, according to the Mental Health Act 1983) a persistent disorder or disability of mind which results in abnormally aggressive or seriously irresponsible conduct on the part of the person concerned
  • public health service — the agency that is responsible for the health of the general public
  • pulse height analyser — a multichannel analyser that sorts pulses into selected amplitude ranges
  • pulse height analyzer — an instrument that records or counts an electrical pulse if its amplitude falls within specified limits: used in nuclear physics research for the determination of energy spectra of nuclear radiations
  • purchasing department — the group of staff within an organization that is responsible for buying goods or products
  • put in the hard yards — to make a great effort to achieve an end
  • put sb in the picture — If you put someone in the picture, you tell them about a situation which they need to know about.
  • put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
  • put something over on — to deceive; trick
  • queer someone's pitch — to upset someone's plans
  • ralph roister doister — a play (1553?) by Nicholas Udall: the earliest known English comedy.
  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • reciprocal inhibition — the theory that the pairing of an anxiety-provoking stimulus with anxiety-reducing reactions will weaken the association between the stimulus and the anxiety.
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • record of achievement — a statement of the personal and educational development of each pupil
  • rehabilitation centre — a centre or clinic where people with an alcohol or drug addiction are treated
  • reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
  • replacement algorithm — The method used to determine which entry in an associative cache to flush to main memory when it is desired to cache a new block of data. The "least recently used" algorithm flushed the block which has not been accessed for the longest time. A random replacement algorithm picks any block with equal probability.
  • return the compliment — repay sb's kindness with a kind act
  • reverberation chamber — a room with walls that reflect sound. It is used to make acoustic measurements and as a source of reverberant sound to be mixed with direct sound for recording or broadcasting
  • reverse polish syntax — postfix notation
  • right-angled triangle — a triangle one angle of which is a right angle
  • ring down the curtain — to lower the curtain at the end of a theatrical performance
  • ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
  • roll with the punches — a thrusting blow, especially with the fist.
  • rolling in the aisles — (of an audience) overcome with laughter
  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
  • salam-weinberg theory — the electroweak theory.
  • satellite dish aerial — a parabolic aerial for reception from or transmission to an artificial satellite
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
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