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21-letter words containing a, n, c

  • preacquisition profit — the retained profit of a company earned before a takeover and therefore not eligible for distribution as a dividend to the shareholders of the acquiring company
  • premature ejaculation — a male psychosexual disorder in which ejaculation occurs soon after the commencement of sexual intercourse.
  • prince rupert's metal — a brass composed of from about 60 to 85 percent copper and about 15 to 40 percent zinc, used to imitate gold.
  • printed circuit board — a circuit in which the interconnecting conductors and some of the circuit components have been printed, etched, etc., onto a sheet or board of dielectric material (PC board, printed-circuit board)
  • privacy enhanced mail —
  • production department — the department of a business or organization responsible for manufacturing products
  • professional services — (job)   A department of a supplier providing consultancy and programming manpower for the supplier's products.
  • 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
  • progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
  • protective coloration — coloration or anything likened to it that eliminates or reduces visibility or conspicuousness.
  • protestant work ethic — work ethic.
  • psychomotor agitation — agitation (def 3).
  • psychomotor-agitation — the act or process of agitating; state of being agitated: She left in great agitation.
  • public administration — the implementation of public policy, largely by the executive branch.
  • public transportation — means of fare-paying travel
  • pulmonary circulation — the circulation of blood from the heart to the lungs for oxygenation and back to the heart.
  • pulse code modulation — a form of modulation that transforms a wave-form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a computer. Abbreviation: PCM.
  • pulse-code modulation — a form of modulation that transforms a wave-form, as an audio signal, into a binary signal in which information is conveyed by a coded order of pulses for transmission, storage on a disk, or processing by a computer. Abbreviation: PCM.
  • purchasing department — the group of staff within an organization that is responsible for buying goods or products
  • push the panic button — an alarm button for use in an emergency, as to summon help.
  • 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 someone's back up — to annoy someone
  • quadralay corporation — (company)   The developers of GWHIS. Telephone: +1 512-346-9199. Fax: +1 512-346-8990.
  • quantitative genetics — population genetics.
  • racial discrimination — prejudice based on race
  • radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
  • range of significance — the set of subjects for which a given predicate is intelligible
  • rap over the knuckles — to reprimand
  • rattle someone's cage — to upset or anger someone
  • reading comprehension — a text that students use to help them improve their reading skills, by reading it and answering questions relating to the text. Sometimes used as a test or examination of reading skills. A reading comprehension can be in the student's own or another language
  • real estate insurance — Real estate insurance is insurance of property, land, and buildings.
  • 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.
  • reckless endangerment — a crime whereby a person behaves in a reckless manner which creates a substantial risk of serious physical injury to another person
  • recompression chamber — hyperbaric chamber.
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • reconnaissance patrol — a patrol made by soldiers in order to obtain military information about a particular place
  • record of achievement — a statement of the personal and educational development of each pupil
  • rectangular hyperbola — a hyperbola with perpendicular asymptotes
  • redevelopment company — a private corporation or a public agency that stimulates the improvement of land, as through a building project subject to certain designs and controls, by financing, selling, or leasing such real estate to interested buyers or lessees.
  • reduced circumstances — If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.
  • registration document — a document giving identification details of a motor vehicle, including its manufacturer, date of registration, engine and chassis numbers, and owner's name
  • 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.
  • relaxation oscillator — a nonsinusoidal oscillator, the timing of which is controlled by the charge and discharge time constants of resistance and capacitance components
  • 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.
  • retarded acceleration — velocity increase constrained by opposing forces such as wind resistance or braking
  • 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
  • reverberatory furnace — See at reverberatory (def 2).
  • reverse transcriptase — a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
  • richard coeur de lion — ("Richard the Lion-Hearted"; "Richard Coeur de Lion") 1157–99, king of England 1189–99.
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