15-letter words containing p, r, e, n, a, i
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- 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.
- oriental carpet — Oriental rug.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orphaned i-node — (operating system) /or'f*nd i:'nohd/ [Unix] 1. A file that retains storage but no longer appears in the directories of a file system.
- over-compliance — the act of conforming, acquiescing, or yielding.
- 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
- overemphasizing — Present participle of overemphasize.
- overexpectation — excessive expectation
- overopinionated — too opinionated
- overpreparation — the act or instance of preparing excessively
- overprogramming — the act or instance of programming unnecessary details
- 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.
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- palaeoanthropic — relating to palaeoanthropology
- pan-americanism — the idea or advocacy of a political alliance or union of all the countries of North, Central, and South America.
- panzer division — an armored division of the German army, especially in World War II, consisting chiefly of tanks and organized for making rapid attacks.
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- paraffin heater — a heater which is fuelled by paraffin
- paraffin series — methane series
- parallel cousin — a cousin who is the child either of one's mother's sister or of one's father's brother.
- parallel motion — a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
- parallel-veined — having closely spaced longitudinal veins, as the leaves of most monocotyledonous plants.
- 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.
- parish magazine — a magazine containing news and articles of interest to the people of a particular parish church or the local area
- parking offence — the act of leaving your car somewhere illegally
- 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.
- passenger train — railway train that carries people
- patagonian hare — a burrowing, gray, long-eared and long-legged cavy of the genus Dolichotis, native to South America.
- patent engineer — a person who draws up applications for patents
- paternity leave — a leave of absence from a job for a father to care for a new baby.
- paternity order — a court order which declares a child's paternity
- patio furniture — furniture in an area adjoining a house, esp one that is paved and used for outdoor activities
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- pavement artist — sidewalk artist.
- peak experience — a high point in the life of a self-actualizer, during which the person feels ecstatic and more alive and whole than is usual.
- peak production — the maximum production
- pearly nautilus — nautilus (def 1).