13-letter words containing a, t, r, i, s
- eusporangiate — (of ferns) having each sporangium developing from a group of cells, rather than a single cell, and with no specialized dispersal of spores
- 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.
- exacerbations — Plural form of exacerbation.
- exaggerations — Plural form of exaggeration.
- exasperations — Plural form of exasperation.
- excrescential — Pertaining to, or resembling, an excrescence.
- 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.
- familiarities — Plural form of familiarity.
- fantasmagoria — phantasmagoria.
- fantasmagoric — phantasmagoria.
- 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
- 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.
- 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.
- fine adjuster — (jargon, tool, humour) A tool used for percussive maintenance, also known as a "hammer".
- fireside chat — an informal address by a political leader over radio or television, especially as given by President Franklin D. Roosevelt beginning in 1933.
- first baseman — the player whose position is first base.
- first chamber — the parliament of the Netherlands, consisting of an upper chamber (First Chamber) and a lower chamber (Second Chamber)
- first quarter — the instant, approximately one week after a new moon, when one half of the moon's disk is illuminated by the sun.
- first reading — the reading of a bill when it is first introduced in a legislative body.
- first refusal — If someone has first refusal on something that is being sold or offered, they have the right to decide whether or not to buy it or take it before it is offered to anyone else.
- first-aid kit — emergency medical set
- fish hatchery — a facility where fish eggs are hatched and the fry raised, especially to stock lakes, streams, and ponds.
- flabergasting — Present participle of flabergast.
- flash picture — a photograph made using flash photography.
- flavoproteins — Plural form of flavoprotein.
- flirtatiously — given or inclined to flirtation.
- floating ribs — the eleventh and twelfth pairs of ribs, not attached to the breastbone or to other ribs but only to the vertebrae
- floristically — In a floristic manner.
- fluoroplastic — any of the plastics, as Teflon, in which hydrogen atoms of the hydrocarbon chains are replaced by fluorine atoms.
- for-instances — an instance or example: Give me a for-instance of what you mean.