15-letter words containing p, a, r, i
- distributor cap — the cap of an engine's distributor that holds in place the wires from the distributor to the sparking plugs
- dixiecrat party — States' Rights Democratic Party.
- dna fingerprint — the use of a DNA probe for the identification of an individual, as for the matching of genes from a forensic sample with those of a criminal suspect.
- draughtproofing — Present participle of draughtproof.
- draughtsmanship — (British) alternative spelling of draftsmanship.
- drip irrigation — a system of crop irrigation involving the controlled delivery of water directly to individual plants through a network of tubes or pipes.
- dwarf poinciana — royal poinciana.
- dynamic pricing — the practice of offering goods at a price that changes according to the level of demand, the type of customer, the state of the weather, etc
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- dystrophication — the process by which a body of water becomes dystrophic.
- east providence — a town in NE Rhode Island, near Providence.
- echocardiograph — an instrument employing reflected ultrasonic waves to examine the structures and functioning of the heart.
- edriophthalmian — edriophthalmous
- edriophthalmous — (of certain crustaceans) having stalkless eyes
- 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
- eleutherophobia — the fear of freedom
- enantiomorphism — (chemistry) The relationship exhibited by a pair of enantiomorphs.
- enantiomorphous — Of or pertaining to enantiomorphs or enantiomorphism; enantiomorphic.
- english sparrow — a small Eurasian weaverbird, Passer domesticus, now established in North America and Australia. It has a brown streaked plumage with grey underparts
- english speaker — a person who speaks English as a first, or second mother tongue
- 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.
- epeirogenically — in the manner of epeirogeny
- 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
- epikeratophakia — The surgical correction of aphakia. It is a refractive surgical procedure in which a donor cornea is transplanted to the anterior surface of the patient's cornea. A lamellar disc from a donor cornea is placed over the de-epithelialized host cornea and sutured into a prepared groove on the host cornea.
- epsilon squared — (jargon) A quantity even smaller than epsilon, as small in comparison to epsilon as epsilon is to something normal; completely negligible. If you buy a supercomputer for a million dollars, the cost of the thousand-dollar terminal to go with it is epsilon, and the cost of the ten-dollar cable to connect them is epsilon squared. Compare lost in the underflow, lost in the noise.
- eric conspiracy — (person, humour) A shadowy group of moustachioed hackers named Eric first pinpointed as a sinister conspiracy by an infamous talk.bizarre posting ca. 1986. This was doubtless influenced by the numerous "Eric" jokes in the Monty Python oeuvre. There do indeed seem to be considerably more moustachioed Erics in hackerdom than the frequency of these three traits can account for unless they are correlated in some arcane way. Well-known examples include Eric Allman (of the "Allman style" described under indent style), Erik Fair (co-author of NNTP), Eric S. Raymond and about fifteen others. The organisation line "Eric Conspiracy Secret Laboratories" now emanates regularly from more than one site.
- evaporated milk — concentrated dairy product
- evening prayers — the daily evening service of Bible readings and prayers prescribed in the Book of Common Prayer
- 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
- expression mark — one of a set of musical directions, usually in Italian, indicating how a piece or passage is to be performed
- extemporisation — Alternative spelling of extemporization.
- extemporization — The act of extemporizing; the act of doing anything extempore.
- 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
- facile princeps — an obvious leader
- 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.
- fairy footsteps — heavy footsteps
- familiar spirit — a supernatural spirit often assuming animal form, supposed to attend and aid a witch, wizard, etc