15-letter words containing i, s, o, t, a
- enantiomorphism — (chemistry) The relationship exhibited by a pair of enantiomorphs.
- enantiomorphous — Of or pertaining to enantiomorphs or enantiomorphism; enantiomorphic.
- enterohepatitis — dual inflammation of the intestine and liver
- enteropeptidase — Enterokinase.
- epistemological — Of or pertaining to epistemology or theory of knowledge, as a field of study.
- escape velocity — great enough speed to escape gravity
- eta abstraction — eta conversion
- evens favourite — the favourite to win a race and on which the bookmakers are offering even odds.
- eviction clause — a clause by which a contract or other agreement may be terminated, especially between theatrical producers and theater owners in whose agreements it is often stipulated that when weekly receipts fall below a certain minimum usually for two consecutive weeks, the production must vacate the theater.
- exceptionalness — The quality of being exceptional.
- excursion train — a train that is laid on for a special occasion such as a sports or cultural event
- expansion joint — structural feature: gap to allow for expansion or contraction
- export earnings — the earnings of a company or country that are generated through the export of goods or services
- extemporisation — Alternative spelling of extemporization.
- extensification — The process of making something (more) extensive.
- extension cable — an extra length of cable with a plug and a connector that can be added to an electric lead
- extensivization — the process of (something) becoming more extensive, esp in agriculture
- exteriorisation — Mental awareness of the form of something that cannot be directly visualised.
- externalisation — Alternative spelling of externalization.
- extraordinaries — things that exceed the usual order, kind, or method
- fabric softener — a substance added to fabrics during laundering to make them puffier and softer.
- factor analysis — the use of one of several methods for reducing a set of variables to a lesser number of new variables, each of which is a function of one or more of the original variables.
- faculty advisor — a member of the faculty who gives advice to students
- fahnestock clip — a type of terminal using a spring that clamps readily onto a connecting wire.
- fairy footsteps — heavy footsteps
- faites vos jeux — place your bets! (a phrase used by croupiers in roulette and other casino gambling games)
- faithworthiness — the quality of being faithworthy
- 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 miterwort — foamflower.
- familiarisation — Alternative spelling of familiarization.
- family skeleton — a closely guarded family secret
- fantasmagorical — Alternative form of phantasmagorical.
- fast-food chain — a chain of restaurants serving fast food
- fauntleroy suit — a formal outfit for a boy composed of a hip-length jacket and knee-length pants, often in black velvet, and a wide, lacy collar and cuffs, usually worn with a broad sash at the waist and sometimes a large, loose bow at the neck, popular in the late 19th century.
- feast of lights — Hanukkah.
- feast or famine — characterized by alternating, extremely high and low degrees of prosperity, success, volume of business, etc.: artists who lead a feast-or-famine life.
- feast-or-famine — characterized by alternating, extremely high and low degrees of prosperity, success, volume of business, etc.: artists who lead a feast-or-famine life.
- ferroelasticity — (physics) A phenomenon, analogous to ferromagnetism and ferroelectricity, in which spontaneous strain arises within a material.
- fetal diagnosis — prenatal determination of genetic or chemical abnormalities in a fetus, esp by amniocentesis
- fibrocartilages — Plural form of fibrocartilage.
- fiesta de toros — a bullfight; corrida.
- filling station — service station (def 1).
- first world war — World War I.
- first-day cover — a cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.
- fishhook cactus — a large cactus, Ferocactus wislizenii, of the southwestern U.S. and Mexico, having hooked spines and red or yellow flowers.
- fission reactor — a nuclear reactor in which a fission reaction takes place
- five-star hotel — a top-quality hotel offering exceptional luxury
- flight of ideas — a rapid flow of thought, manifested by accelerated speech with abrupt changes from topic to topic: a symptom of some mental illnesses, especially manic disorder.
- flirtatiousness — The quality of being flirtatious.
- floating island — a dessert consisting of boiled custard with portions of meringue, whipped cream, or whipped egg whites and sometimes jelly floating upon it or around it.