17-letter words containing c, h, l, o, r
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- oceanographically — In terms of oceanography.
- old norman french — Norman French (sense 1)
- old orchard beach — a resort town in S Maine.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- once over lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.
- once-over-lightly — a hasty or superficial treatment, look, examination, etc.; once-over: The maid gave the room the once-over-lightly.
- overreach oneself — to fail because of trying to do more than one can
- oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
- palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- 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.
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- perchloroethylene — tetrachloroethylene.
- 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.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- pincushion flower — scabious2 (def 1).
- platinic chloride — chloroplatinic acid.
- police helicopter — a helicopter used in police operations, for example in traffic control, or for observation
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- 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.
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- 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.
- 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.