15-letter words containing p, e, n, t, a
- doublet pattern — a pattern, as on a fabric, in which a figure or group is duplicated in reverse order on the opposite side of a centerline.
- dutchman's-pipe — a climbing vine, Aristolochia durior, of the birthwort family, having large, heart-shaped leaves and brownish-purple flowers of a curved form suggesting a tobacco pipe.
- east providence — a town in NE Rhode Island, near Providence.
- edriophthalmian — edriophthalmous
- egyptian clover — a Mediterranean clover, Trifolium alexandrinum, grown as a forage crop and to improve the soil in the southwestern US and the Nile valley
- egyptian jasper — a type of jasper, generally with zones of colour, found in desert regions of Egypt
- electing a pope — (electronics, humour) (From the smoke signals given out when the guys in funny hats choose a new Pope) Causing an integrated circuit or other electronic component to emit smoke by passing too much current through it. See magic smoke.
- elephant's-foot — a monocotyledonous plant, Testudinaria elephantipes, of southern Africa, with a very large starchy tuberous stem, covered in corky scales: family Dioscoreaceae
- emancipationist — An advocate of the emancipation of slaves.
- enamel painting — the art or process of decorating an object made of metal, porcelain, etc. using enamel paint
- enantiomorphism — (chemistry) The relationship exhibited by a pair of enantiomorphs.
- enantiomorphous — Of or pertaining to enantiomorphs or enantiomorphism; enantiomorphic.
- encephalization — (biology) the amount of brain mass exceeding that related to an animal's total body mass.
- encephalopathic — Relating to encephalopathy.
- engraving plate — a metal, usually steel, plate on which an image is engraved in order to be reproduced
- enterohepatitis — dual inflammation of the intestine and liver
- enteropeptidase — Enterokinase.
- entrance permit — a permit issued by the government of a country allowing nationals of other countries to enter
- entrepreneurial — Characterized by the taking of financial risks in the hope of profit; enterprising.
- enumerated type — (programming) (Or "enumeration") A type which includes in its definition an exhaustive list of possible values for variables of that type. Common examples include Boolean, which takes values from the list [true, false], and day-of-week which takes values [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]. Enumerated types are a feature of strongly typed languages, including C and Ada. Characters, (fixed-size) integers and even floating-point types could be (but are not usually) considered to be (large) enumerated types.
- epicyclic train — a cluster of gears consisting of a central gearwheel with external teeth (the sun), a coaxial gearwheel of greater diameter with internal teeth (the annulus), and one or more planetary gears engaging with both of them to provide a large gear ratio in a compact space
- ergatandromorph — an ant with the characteristics of both worker and male
- exceptionalness — The quality of being exceptional.
- exemplification — The act of exemplifying; a showing or illustrating by example.
- expansion joint — structural feature: gap to allow for expansion or contraction
- expense account — account for expenses
- experientialism — (philosophy) The theory that experience is the source of knowledge.
- experientialist — A proponent of experientialism.
- experimentalism — An experimental practice or tendency, especially in the arts.
- experimentalist — One who performs experiments.
- experimentalize — (transitive) To make experiments upon.
- experimentation — The act of experimenting; practice by experiment.
- experimentative — having a tendency to experiment; experimental; of the nature of an experiment
- expiration date — when food product is no longer fresh
- export earnings — the earnings of a company or country that are generated through the export of goods or services
- extemporisation — Alternative spelling of extemporization.
- extemporization — The act of extemporizing; the act of doing anything extempore.
- extended pascal — A superset of ANSI and ISO Pascal with many enhancements, including modules, separate compilation, type schemata, variable-length strings, direct-access files, complex numbers, initial values, constant expressions. ANSI/IEEE770X3.160-1989 and ISO 10206.
- external spline — any one of a series of narrow keys formed longitudinally around the circumference of a shaft that fit into corresponding grooves (internal splines) in a mating part: used to prevent movement between two parts, esp in transmitting torque
- fahnestock clip — a type of terminal using a spring that clamps readily onto a connecting wire.
- fair employment — the policy or practice of employing people on the basis of their capabilities only, without regard to race, color, religion, sex, national origin, age, or disability.
- fallopian tubes — one of a pair of long, slender ducts in the female abdomen that transport ova from the ovary to the uterus and, in fertilization, transport sperm cells from the uterus to the released ova; the oviduct of higher mammals.
- false pretences — fraud, deception
- false pretenses — If you do something under false pretenses, you do it when people do not know the truth about you and your intentions.
- fatal exception — (programming, operating system) A program execution error which is trapped by the operating system and which results in abrupt termination of the program. It may be possible for the program to catch some such errors, e.g. a floating point underflow; others, such as an invalid memory access (an attempt to write to read-only memory or an attempt to read memory outside of the program's address space), may always cause control to pass to the operating system without allowing the program an opportunity to handle the error. The details depend on the language's run-time system and the operating system. See also: fatal error.
- fillister plane — an adjustable plane for cutting rabbets, grooves, etc
- finger alphabet — a series of shapes made by the fingers that indicate letters of an alphabet and can be used in fingerspelling for the deaf
- finger painting — a jellylike paint, used chiefly by children in painting, usually with their fingers.
- fire department — the department of a municipal government charged with the prevention and extinguishing of fire.
- fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.