15-letter words containing o, p, s, i
- distributorship — a franchise held by a distributor.
- dolphin striker — a short vertical strut between the bowsprit and a rope or cable (martingale) from the end of the jib boom to the stem or bows, used for maintaining tension and preventing upward movement of the jib boom
- double stopping — playing two notes or parts simultaneously on a string instrument
- duelling pistol — one of a pair of identical pistols made specifically for use in duels
- duplicitousness — The state or condition of being duplicitous.
- dynamic scoping — dynamic scope
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- dysmorphophobic — relating to or affected with dysmorphophobia
- dystrophication — the process by which a body of water becomes dystrophic.
- east providence — a town in NE Rhode Island, near Providence.
- eclipse scotoma — a blind spot; a permanent or temporary area of depressed or absent vision caused by viewing the sun directly
- editio princeps — first edition.
- edriophthalmous — (of certain crustaceans) having stalkless eyes
- electrodeposits — Third-person singular simple present indicative form of electrodeposit.
- electron optics — the study and use of beams of electrons and of their deflection and focusing by electric and magnetic fields
- electrophoresis — The movement of charged particles in a fluid or gel under the influence of an electric field.
- electropositive — Electrically positive.
- ellipsis points — the characters (… or formerly ***) forming a punctuation mark indicating an intentional omission of words or letters or an abrupt change of thought, lapse of time, incomplete statement, etc.
- emancipationist — An advocate of the emancipation of slaves.
- 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
- enterohepatitis — dual inflammation of the intestine and liver
- enteropeptidase — Enterokinase.
- enterprise zone — An enterprise zone is an area, usually a depressed or inner-city area, where the government offers incentives in order to attract new businesses.
- epidemiologists — Plural form of epidemiologist.
- episodic memory — the recollection of events within their historical setting
- epistemological — Of or pertaining to epistemology or theory of knowledge, as a field of study.
- epitestosterone — (organic compound) An inactive epimer of the steroid hormone testosterone.
- 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.
- escape velocity — great enough speed to escape gravity
- esprit de corps — military, sport: team spirit
- exceptionalness — The quality of being exceptional.
- existence proof — non-constructive proof
- expansion joint — structural feature: gap to allow for expansion or contraction
- expeditiousness — The state of being expeditious; celerity, rapidity or speed.
- explain oneself — to make clear what one means
- 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
- expression tree — (mathematics, grammar) The syntax tree of an expression.
- expressionistic — Expressionist.
- expulsion order — a legal document ordering someone's expulsion
- extemporisation — Alternative spelling of extemporization.
- fahnestock clip — a type of terminal using a spring that clamps readily onto a connecting wire.
- fairy footsteps — heavy footsteps
- 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.
- fasciolopsiasis — a parasitic disease caused by flukes of the genus Fasciolopsis and characterized by abdominal pain and diarrhea: common in the Far East.
- file descriptor — (programming, operating system) An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter. In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively. See file descriptor leak.
- first responder — a person who is certified to provide medical care in emergencies before more highly trained medical personnel arrive on the scene: a firefighter trained as a first responder.