13-letter words containing a, r, i, s
- evangelistary — a book containing passages from the gospels to be used as part of the liturgy
- everlastingly — In an everlasting manner; so as to be everlasting.
- ex-serviceman — An ex-serviceman is a man who used to be in a country's army, navy, or air force.
- exacerbations — Plural form of exacerbation.
- exaggerations — Plural form of exaggeration.
- exasperations — Plural form of exasperation.
- excimer laser — a type of gas laser that emits powerful pulses of ultraviolet radiation used in weapons, industrial, or medical research: this radiation is emitted as the short-lived excimers, dimeric molecules that can only exist when a component is energized into an excited state, return to their ground states
- excrescential — Pertaining to, or resembling, an excrescence.
- exemplariness — The state or condition of being exemplary, serving as a shining example.
- exercise yard — a piece of enclosed ground in a prison on which inmates can exercise in order to get fit and to remain healthy
- exhilarations — Plural form of exhilaration.
- exit strategy — In politics and business, an exit strategy is a way of ending your involvement in a situation such as a military operation or a business arrangement.
- express train — a fast train
- exterminators — Plural form of exterminator.
- externalising — Present participle of externalise.
- externalities — Plural form of externality.
- extra-special — particular; exceptional
- extraposition — placement of something outside something else
- extrasystolia — (medicine) An alteration in the rhythm of the heart due to extrasystoles.
- extrasystolic — Relating to extrasystole, the premature contraction of the heart.
- extravasating — Present participle of extravasate.
- extravasation — The exudation of blood, lymph or urine from a vessel into the tissues.
- extrinsically — In an extrinsic manner.
- factorisation — Alternative spelling of factorization.
- fairy swallow — a variety of domestic fancy pigeon having blue-and-white plumage and heavily muffed feet
- fairy-slipper — Calypso (def 2).
- false horizon — a line or plane that simulates the horizon, used in altitude-measuring devices or the like.
- false vampire — any large, carnivorous bat of the families Megadermatidae and Phyllostomatidae, of Africa, Asia, and Australia, erroneously reputed to suck the blood of animals and humans.
- familiarising — Present participle of familiarise.
- familiarities — Plural form of familiarity.
- fantasmagoria — phantasmagoria.
- fantasmagoric — phantasmagoria.
- farkleberries — Plural form of farkleberry.
- faroe islands — islands in Atlantic Ocean
- fashionmonger — (derogatory) One who slavishly follows the latest fashions.
- fast-breaking — (of a news story) occurring suddenly, and often portending a series of events or further developments in rapid succession.
- fast-tracking — the practice of speeding up the progress of a project or person
- favrile glass — a type of iridescent glass developed by L.C. Tiffany
- featherbrains — Plural form of featherbrain.
- featherstitch — an embroidery stitch producing work in which a succession of branches extend alternately on each side of a central stem.
- febrifacients — Plural form of febrifacient.
- fermentations — Plural form of fermentation.
- fertilisation — (chiefly, British) alternative spelling of 'fertilization'.
- festivalgoers — Plural form of festivalgoer.
- fibromuscular — (anatomy) Of or pertaining to both fibrous and muscular tissue.
- fibrovascular — composed of fibrous and conductive tissue, as in the vascular systems of higher plants: a fibrovascular bundle.
- field marshal — an officer of the highest military rank in the British and certain other armies, and of the second highest rank in the French army.
- field sparrow — a common North American finch, Spizella pusilla, found in brushy pasturelands.
- figured glass — plate or sheet glass having a pattern rolled onto one side of the surface.
- file transfer — (networking) Copying a file from one computer to another over a computer network. See also File Transfer Protocol, Kermit, Network File System, rcp, uucp, XMODEM, ZMODEM.