15-letter words containing c, r, o, i
- overachievement — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- overapplication — excessive application
- overcapitalized — Simple past tense and past participle of overcapitalize.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overcommunicate — to communicate excessively
- overconfidently — In an overconfident manner.
- overconsumption — the act of consuming, as by use, decay, or destruction.
- overcontrolling — excessively controlling
- overcultivation — the act or art of cultivating.
- overexpectation — excessive expectation
- overpessimistic — excessively pessimistic or negative in outlook
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- oxygen cylinder — a metal cylinder containing oxygen under pressure
- oxytetracycline — a dull-yellow, crystalline antibiotic powder, C 2 2 H 2 4 N 2 O 9 , produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses.
- pacific madrone — any of several evergreen trees belonging to the genus Arbutus, of the heath family, especially A. menziesii (Pacific madrone) of western North America, having red, flaky bark and bearing edible reddish berries.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed.
- pairs champions — competitors in or winners of a pairs championship
- palaeoanthropic — relating to palaeoanthropology
- palindromically — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- parking offence — the act of leaving your car somewhere illegally
- parthenogenetic — development of an egg without fertilization.
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- participational — involving participation
- party political — Party political matters relate to political parties.
- passifloraceous — of, relating to, or belonging to the Passifloraceae, a tropical and subtropical family of climbing plants including the passionflowers: the flowers have five petals and threadlike parts forming a dense mass (corona) around the central disc
- passport office — an office which issues passports
- patchwork quilt — cover sewn from patches of cloth
- pavel petrovich — Paul I (def 2).
- peak production — the maximum production
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- peculiar people — a small sect of faith healers founded in London in 1838, having no ministers or external organization
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- pellicle mirror — a fixed mirror in a single-lens reflex camera that reflects some of the light entering the lens to the ground-glass view screen while permitting most of the light to pass through to the film.
- perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
- percussion lock — a gunlock on a firearm that fires by striking a percussion cap.
- percussion tool — a power driven tool which operates by striking rapid blows: the power may be electricity or compressed air
- perfectionistic — a person who adheres to or believes in perfectionism.
- perfunctoriness — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- periodic motion — any motion that recurs in identical forms at equal intervals of time.
- periodic system — a system of classification of the elements based on the periodic law.
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- peroxysulphuric — as in peroxysulphuric acid
- personification — the attribution of human nature or character to animals, inanimate objects, or abstract notions, especially as a rhetorical figure.
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.