12-letter words containing f, i, a, s
- half section — a part that is cut off or separated.
- half serious — of, showing, or characterized by deep thought.
- half-english — of, relating to, or characteristic of England or its inhabitants, institutions, etc.
- half-section — a part that is cut off or separated.
- half-serious — of, showing, or characterized by deep thought.
- halls of ivy — an institution of higher learning; university or college; the academic world.
- helium flash — the explosive burning of helium in the case of a star of low mass that occurs when the core is so dense that the matter has become degenerate. The burning causes a rapid rise in temperature until it is so high that the gas ceases to be degenerate, after which there is a rapid expansion
- high fashion — haute couture.
- human safari — an organized tour that takes tourists to unfamiliar places where they can observe the lifestyle of indigenous or other local people: human safaris to remote tribal communities; a human safari through the slums of Mumbai.
- ignis fatuus — Also called friar's lantern, will-o'-the-wisp. a flitting phosphorescent light seen at night, chiefly over marshy ground, and believed to be due to spontaneous combustion of gas from decomposed organic matter.
- iguaçú falls — a waterfall on the border between Brazil and Argentina, on the Iguaçú River: divided into hundreds of separate falls by forested rocky islands. Width: about 4 km (2.5 miles). Height: 82 m (269 ft)
- imperforates — Plural form of imperforate.
- in search of — looking for, seeking
- in so far as — to the extent that
- in spadefuls — in an extreme or emphatic way
- indefeasible — not defeasible; not to be annulled or made void; not forfeitable.
- indefeasibly — In an indefeasible manner.
- indefinables — Plural form of indefinable.
- infamousness — The state or quality of being infamous; infamy.
- infant class — (in England and Wales) a class at infant school for young schoolchildren between the ages of 5 and 7
- infanticides — Plural form of infanticide.
- infatuations — Plural form of infatuation.
- infestations — Plural form of infestation.
- infiltrators — Plural form of infiltrator.
- infix syntax — infix notation
- inflamedness — The state or quality of being inflamed.
- inflammasome — (biochemistry) A multi-protein complex that is responsible for inflammatory rheumatic diseases via activation of caspases.
- inflationism — the policy or practice of inflation through expansion of currency or bank deposits.
- inflationist — an advocate of inflation through expansion of currency or bank deposits.
- influentials — Plural form of influential.
- infographics — Plural form of infographic.
- infomercials — Plural form of infomercial.
- informations — (legal) Plural form of information.
- infraclasses — Plural form of infraclass.
- insufferable — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufferably — not to be endured; intolerable; unbearable: their insufferable insolence.
- insufflation — to blow or breathe (something) in.
- iron sulfate — ferrous sulfate.
- isapi filter — (web) A replaceable DLL which the server calls whenever there is an HTTP request. When the filter is first loaded, it communicates to the server what sort of notifications will be accepted. After that, whenever a selected event occurs, the filter is called to process the event. Example applications of ISAPI filters include custom authentication schemes, compression, encryption, logging, traffic analysis or other request analyses.
- isoflavonoid — (organic chemistry) Any compound, isomeric with the flavonoids, derived from 3-phenyl-1,4-benzopyrone.
- jaculiferous — having dartlike spines.
- javelin fish — a fish of the genus Pomadasys of semitropical Australian seas with a long spine on its anal fin
- jawless fish — cyclostome.
- jaws of life — powerful shears used for cutting a vehicle open after a collision
- jeffersonian — pertaining to or advocating the political principles and doctrines of Thomas Jefferson, especially those stressing minimum control by the central government, the inalienable rights of the individual, and the superiority of an agrarian economy and rural society.
- king-of-arms — a title of certain of the principal heralds of England and certain other kingdoms empowered by their sovereigns to grant armorial bearings.
- korsakoffian — relating to or suffering from Korsakoff's psychosis
- lantern fish — any of several small, deep-sea fishes of the family Myctophidae, having rows of luminous organs along each side, certain species of which migrate to the surface at night.
- laticiferous — bearing or containing latex.
- latifundista — the owner of a latifundio in Latin America or Spain.