15-letter words containing a, c, p, r, i
- nonpsychiatrist — a person who is not a psychiatrist
- nuclear physics — the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.
- operating cycle — the period of time between starting a business and making a profit
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- oriental carpet — Oriental rug.
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- orthopaedically — in an orthopaedic manner
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- out of practice — If you are out of practice at doing something, you have not had much experience of it recently, although you used to do it a lot or be quite good at it.
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- over-compliance — the act of conforming, acquiescing, or yielding.
- over-particular — of or relating to a single or specific person, thing, group, class, occasion, etc., rather than to others or all; special rather than general: one's particular interests in books.
- overapplication — excessive application
- overcapitalized — Simple past tense and past participle of overcapitalize.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overexpectation — excessive expectation
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- 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.
- palliative-care — medical care focused on improving the quality of life of patients with serious illnesses, as by treating symptoms and providing emotional support.
- pan-americanism — the idea or advocacy of a political alliance or union of all the countries of North, Central, and South America.
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- paralinguistics — the study of paralanguage.
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- parasiticalness — the condition or characteristic of being parasitic
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parhelic circle — a white, horizontal band passing through the sun, either incomplete or extending around the horizon, produced by the reflection of the sun's rays from the vertical faces of ice prisms in the atmosphere.
- 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 eclipse — astronomy
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- participational — involving participation
- participatively — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- particularistic — exclusive attention or devotion to one's own particular interests, party, etc.
- 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
- past participle — a participle with past, perfect, or passive meaning, as fallen, sung, defeated; perfect participle: used in English and other languages in forming the present perfect, pluperfect, and passive and as an adjective.