15-letter words containing n, i, t, p
- opisthognathous — having receding jaws.
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- opposition hold — a particular way of holding rock in mountain-climbing
- oppositionality — Quality of being oppositional.
- 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 pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- 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 tooling — the technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc.
- optoelectronics — the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
- oriental carpet — Oriental rug.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- out in the open — knowledge: public
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- over-passionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- over-population — to fill with an excessive number of people, straining available resources and facilities: Expanding industry has overpopulated the western suburbs.
- overapplication — excessive application
- overconsumption — the act of consuming, as by use, decay, or destruction.
- overexpectation — excessive expectation
- overexpenditure — the act of expending something, especially funds; disbursement; consumption.
- overopinionated — too opinionated
- overpreparation — the act or instance of preparing excessively
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- ozone depletion — harmful effects to the ozone layer
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- paid-in capital — finance: payments from investors
- pain in the net — flamer
- painted bunting — a brilliantly colored bunting, Passerina ciris, of the southern U.S.
- 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.
- palaeoanthropic — relating to palaeoanthropology
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- paleolithic man — any of the prehistoric populations of humans, as the Cro-Magnon, living in the late Pliocene and the Pleistocene epochs.
- panophthalmitis — the inflammation of all eye tissue
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- paraffin heater — a heater which is fuelled by paraffin
- paralation lisp — Embeds the paralation model in Common LISP. Available from MIT Press, (800)356-0343.
- paralinguistics — the study of paralanguage.
- parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
- parametrization — a parametric representation; the act of representing as or defining parameters
- parasiticalness — the condition or characteristic of being parasitic
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parliamentarian — a person who is expert in the formal rules and procedures of deliberative assemblies and other formal organizations.
- parliamentarily — in a parliamentary manner
- pars intermedia — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- parthenogenesis — development of an egg without fertilization.
- parthenogenetic — development of an egg without fertilization.
- partial denture — an artificial replacement of one or several of the teeth (partial denture) or all of the teeth (full denture) of either or both jaws; dental prosthesis.