12-letter words containing r, s, f
- heartfulness — The state or quality of being heartful.
- heterografts — Plural form of heterograft.
- hindforemost — with the back part in the front place
- hostile fire — an unintentional fire, from which any resulting loss can be claimed as an insurance liability (opposed to friendly fire).
- housefathers — Plural form of housefather.
- huddersfield — a town in West Yorkshire, in N central England.
- 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.
- hydrosulfate — a salt formed by the direct union of sulfuric acid with an organic base, especially an alkaloid, and usually more soluble than the base.
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- hypersurface — a mathematical object that generalizes the concept of surface from three-dimensional Euclidean space to hyperspace.
- imperforates — Plural form of imperforate.
- imprest fund — a fund of petty cash.
- in course of — in the process of
- in search of — looking for, seeking
- in so far as — to the extent that
- infiltrators — Plural form of infiltrator.
- inflorescent — Of, pertaining to or causing inflorescence.
- 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.
- intensifiers — Plural form of intensifier.
- interdiffuse — (of two or more fluids) to diffuse mutually
- irish coffee — a mixture of hot coffee and Irish whiskey, sweetened and topped with whipped cream.
- 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.
- jaculiferous — having dartlike spines.
- 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.
- jeffersonite — (mineralogy) A variety of pyroxene of olive-green color passing into brown. It contains zinc.
- jesus freaks — a member of any of several fundamentalist groups of chiefly young people (Jesus people) originating in the early 1970s and emphasizing intense personal devotion to and study of Jesus Christ and His teachings.
- kentish fire — prolonged clapping by an audience, especially in unison, indicating impatience or disapproval.
- 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.
- larch sawfly — a red and black sawfly, Pristiphora erichsonii, the larvae of which infest and feed on the leaves of larch.
- laticiferous — bearing or containing latex.
- law of areas — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- leaf mustard — a pungent powder or paste prepared from the seed of the mustard plant, used as a food seasoning or condiment, and medicinally in plasters, poultices, etc.
- leapfroggers — Plural form of leapfrogger.
- leif ericson — Leif [leef;; Icelandic leyv] /lif;; Icelandic leɪv/ (Show IPA), flourished a.d. c1000, Norse mariner: according to Icelandic saga, discoverer of Vinland (son of Eric the Red).
- life history — the series of living phenomena exhibited by an organism in the course of its development from inception to death.
- life support — equipment to sustain a patient's life
- life-support — of or relating to equipment or measures that sustain or artificially substitute for essential body functions, as breathing or disposal of body wastes: Without life-support equipment, the patient might die.
- lifestreamer — a person who provides an online record of his or her life, either by means of live video footage or via an online collection of social network updates, blogs, and photos
- loosestrifes — Plural form of loosestrife.
- loriciferans — Plural form of loriciferan.
- lower fungus — any of various fungi that do not produce well-organized fruiting bodies and primarily reproduce asexually, as the chytrids.