17-letter words containing c, l, o, h
- 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.
- 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.
- photoluminescence — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- photovoltaic cell — a photocell in which an electromotive force is generated by a photovoltaic effect.
- pincushion flower — scabious2 (def 1).
- platinic chloride — chloroplatinic acid.
- ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
- pocket battleship — a small heavily armed and armored warship serving as a battleship because of limitations imposed by treaty.
- 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.
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- 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.
- 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.
- 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.
- psychoprophylaxis — Lamaze method.
- purple chokeberry — See under chokeberry (def 1).
- purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- rhetorical stress — stress required by the meaning of a line, as distinguished from that required by the meter.
- rhinoceros beetle — any of several scarabaeid beetles, especially of the genus Dynastes, which comprises the largest beetles, characterized by one or more horns on the head and prothorax.
- rocket technology — the technology of the design, operation, maintenance, and launching of rockets
- roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
- roman catholicism — the faith, practice, and system of government of the Roman Catholic Church.
- run out the clock — to maintain control of the ball in the closing minutes of a game
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
- schmidt telescope — a wide-angle reflecting telescope used primarily for astronomical photography, in which spherical aberration and coma are reduced to a minimum by means of a spherical mirror with a corrector plate near its focus.
- school attendance — a measure of the number of children who attend school and the amount of time they are present
- school counsellor — a counsellor who is based in a school
- school playground — school's outdoor recreation area
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- shirt-tail cousin — a distant cousin
- shoestring tackle — a tackle made around the ankles of the ball carrier.
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- smarandache logic — neutrosophic logic
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.