12-letter words containing f, e, r, o, s, i
- frontispiece — an illustrated leaf preceding the title page of a book.
- frozen stiff — feeling very cold
- fructiferous — fruit-bearing; producing fruit.
- fructosamine — (organic compound) A chemical compound that can be considered the result of a reaction between fructose and ammonia or an amine (with a molecule of water being released).
- fumariaceous — belonging to the plant family Fumariaceae.
- galeniferous — Of a mineral or deposit that contains galena.
- gersdorffite — a mineral, sulfide-arsenide of nickel, NiAsS, occurring in metallic, light-gray cubes.
- gillyflowers — Plural form of gillyflower.
- glandiferous — bearing nuts or acorns
- gonfaloniers — Plural form of gonfalonier.
- griseofulvin — an antibiotic, C 17 H 17 ClO 6 , obtained from a species of Penicillium, used in the treatment of ringworm and other fungous infections of the skin.
- half serious — of, showing, or characterized by deep thought.
- half-serious — of, showing, or characterized by deep thought.
- 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).
- hydrosulfide — a compound containing the univalent group –HS.
- hydrosulfite — hyposulfite (def 1).
- imperforates — Plural form of imperforate.
- in course of — in the process of
- in search of — looking for, seeking
- inflorescent — Of, pertaining to or causing inflorescence.
- infomercials — Plural form of infomercial.
- irish coffee — a mixture of hot coffee and Irish whiskey, sweetened and topped with whipped cream.
- iron sulfate — ferrous sulfate.
- 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.
- laticiferous — bearing or containing latex.
- 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.
- loosestrifes — Plural form of loosestrife.
- loriciferans — Plural form of loriciferan.
- lug foresail — a gaff foresail having no boom or sometimes a partial boom.
- luminiferous — producing light: the luminiferous properties of a gas.
- microforceps — (surgery) A very small forceps.
- mifepristone — an antigestational drug, C 29 H 35 NO 2 , that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone.
- misconfigure — Configure (a system or part of it) incorrectly.
- misfortunate — Having suffered misfortune; pitiable.
- mixed forest — a forest filling the transition from natural coniferous to deciduous forest, and containing both types of tree
- moschiferous — giving off or producing musk
- neurofibrils — Plural form of neurofibril.
- noise factor — the ratio of the noise output of an ideal device to the noise output of the unit being tested.
- off-islander — a temporary or seasonal resident of an island; island visitor or tourist.
- office hours — hours when a business is open
- ostrich fern — a tall North American fern, Matteuccia struthiopteris, with large mature leaves that resemble ostrich plumes, a popular landscaping plant whose curled new leaves, called fiddleheads, are eaten as a vegetable.
- overclassify — to classify to excess
- overfineness — excessive fineness
- overfinished — having an excessively polished finish