17-letter words containing c, h, o, i
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4
- overnight success — sth or sb suddenly popular
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- parathyroidectomy — the excision of a parathyroid gland.
- pashmina politics — the adoption of political policies immediately after they have gone out of fashion
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- pecorino (cheese) — an Italian cheese made of sheep's milk; specif., such a cheese that is dry, sharp, and very hard
- personality clash — friction between two people who have different personalities or points of view
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonetic alphabet — an alphabet containing a separate character for each distinguishable speech sound.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- photo-composition — any method of composition using photography, as composition by means of a photocomposer.
- photoconductivity — the increase in the electrical conductivity of a substance, often nonmetallic, caused by the absorption of electromagnetic radiation.
- photodissociation — the dissociation or breakdown of a chemical compound by radiant energy.
- photoluminescence — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- photoreactivation — a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.
- phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
- photovoltaic cell — a photocell in which an electromotive force is generated by a photovoltaic effect.
- pick the eyes out — to select the best parts or pieces (of)
- pincushion cactus — any of various low-growing, spiny cacti of the genus Mammillaria.
- pincushion flower — scabious2 (def 1).
- pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
- platinic chloride — chloroplatinic acid.
- pocket battleship — a small heavily armed and armored warship serving as a battleship because of limitations imposed by treaty.
- point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
- police helicopter — a helicopter used in police operations, for example in traffic control, or for observation
- polioencephalitis — a disease characterized by inflammation of the gray matter of the brain.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- polyvinyl alcohol — a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
- pre-technological — of or relating to technology; relating to science and industry.
- priority check-in — Priority check-in at a hotel is an arrangement which allows a guest to check in without waiting in a line.
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-humanistic — a person having a strong interest in or concern for human welfare, values, and dignity.
- 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
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psycholinguistics — the study of the relationship between language and the cognitive or behavioral characteristics of those who use it.
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- quick on the draw — having fast reflexes
- read the riot act — an English statute of 1715 providing that if 12 or more persons assemble unlawfully and riotously, to the disturbance of the public peace, and refuse to disperse upon proclamation they shall be considered guilty of felony.