17-letter words containing a, t, y, c
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- parachute payment — a payment made to alleviate hardship resulting from a sudden loss of income
- parathyroidectomy — the excision of a parathyroid gland.
- parcplace systems — (company) A company spun-off from Xerox PARC that developed the original version of VisualWorks.
- particle velocity — the velocity of a point in a medium that is undergoing wave motion.
- paternalistically — the system, principle, or practice of managing or governing individuals, businesses, nations, etc., in the manner of a father dealing benevolently and often intrusively with his children: The employees objected to the paternalism of the old president.
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- personality clash — friction between two people who have different personalities or points of view
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- phenylacetic acid — a white crystalline, aromatic acid, C 8 H 8 O 2 , used in the manufacture of penicillin and in perfumes.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- physical activity — sth involving use of the body
- physical training — fitness coaching
- pinckney's treaty — an agreement in 1795 between Spain and the U.S. by which Spain recognized the 31st parallel as the southern boundary of the U.S. and permitted free navigation of the Mississippi to American ships.
- pinpoint accuracy — extreme accuracy
- pipeline capacity — The pipeline capacity is the volume of oil or gas which is needed to maintain a full pipeline.
- pituitary extract — a preparation of the pituitary gland, used in medicine for the therapeutic effects of its hormones
- plastics industry — the industry that makes plastics
- pocket dictionary — a small portable dictionary
- point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
- political economy — a social science dealing with political policies and economic processes, their interrelations, and their influence on social institutions.
- political liberty — the right to express oneself freely and effectually regarding the conduct, makeup, and principles of the government under which one lives.
- polyacrylonitrile — a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
- polyvinyl acetate — a colorless, odorless, nontoxic, transparent, thermoplastic, water-insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
- presentation copy — a copy of a book given by the publisher or author
- primary education — junior, elementary schooling
- primary structure — Biochemistry. the basic sequence of amino acids in a polypeptide or protein.
- private secretary — a person who attends to the individual or confidential correspondence, files, etc., of a business executive, official, or the like.
- probability curve — a curve that describes the distribution of probability over the values of a random variable.
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- protocol analyser — (communications, hardware, networking, testing, tool) Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring. By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN. Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- psychotherapeutic — psychotherapy.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- quality assurance — a system for ensuring a desired level of quality in the development, production, or delivery of products and services: Quality assurance for nursing homes begins with a set of standards. Abbreviation: QA.
- quality paperback — a softbound book that is usually larger and more expensive than a mass market paperback and is sold primarily in bookstores as a trade book.
- quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
- quantum chemistry — the application of quantum mechanics to the study of chemical phenomena.
- radioactive decay — decay (def 8).
- reality principle — the motivating force or mechanism by which the child, who has previously sought immediate gratification of all wishes, realizes that gratification must sometimes be deferred or forgone.
- recrystallization — to become crystallized again.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- regulated tenancy — (in Britain) the letting of a dwelling by a nonresident private landlord, usually at a registered fair rent, from which the landlord cannot evict the tenant without a possession order from a court
- repertory catalog — a catalog containing bibliographic records that indicate locations of materials in more than one library or in several units of one library.
- repertory company — repertory (def 2).