12-letter words containing n, o, r, e, f
- ferroniobium — An important alloy of iron and niobium.
- ferrosilicon — a ferroalloy containing up to 95 percent silicon.
- fetoproteins — Plural form of fetoprotein.
- fiberization — the process or practice of breaking into fibres
- fibrinogenic — producing fibrin.
- fibroadenoma — a benign tumor originating from glandular tissue, as in the female breast.
- field cornet — a commander of burgher troops called up in time of war or in an emergency, esp during the 19th century
- field ration — ration issued and authorized for troops in the field.
- fingerboards — Plural form of fingerboard.
- fingerflower — purple foxglove.
- fire balloon — a montgolfier.
- fire company — a company of firefighters.
- fire control — technical and sometimes automatic supervision of artillery or naval gunfire on a target, as for range, elevation, etc.
- fire station — a building in which firefighting apparatus and usually fire department personnel are housed; firehouse.
- fireproofing — the act or process of rendering fireproof.
- firing order — the sequence of ignition in the cylinders of an internal-combustion engine
- first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
- fisherperson — A fisherman or fisherwoman.
- fishmonger's — a shop that sells fish
- fitness room — a room with gym equipment in it
- flame carbon — a carbon electrode containing metallic salts that colour the arc in a flame-arc light
- flannelboard — a flannel-covered surface to which other flannel pieces, as letters of the alphabet, numbers, etc., adhere merely by contact, used mainly in schools as a visual aid.
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- flindermouse — (obsolete) A bat (the mammal).
- floor-length — extending to the floor: a floor-length skirt.
- floor-manage — to act as or in the manner of a floor manager.
- flourishment — The act or state of flourishing.
- flow pattern — The flow pattern is the way in which fluids move through a reactor.
- fluoranthene — (organic compound) A polycyclic aromatic hydrocarbon consisting of a benzene ring attached to each of the rings of a naphthalene molecule; it is carcinogenic, and is a product of incomplete combustion.
- fluoresceine — Alternative spelling of fluorescein.
- fluorescence — the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. Compare phosphorescence (def 1).
- fluorescents — Plural form of fluorescent.
- flusteration — (colloquial, dated) The act of flustering, or the state of being flustered.
- fluviomarine — of or formed by the combined action of river and sea.
- foetoprotein — Alternative spelling of fetoprotein.
- folding rule — a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes.
- food counter — a counter in a shop, bar, cafeteria, etc where food is sold or served
- footsoreness — The characteristic of being footsore.
- for a change — contrary to the norm
- for a season — for a while
- for a wonder — to think or speculate curiously: to wonder about the origin of the solar system.
- for instance — a case or occurrence of anything: fresh instances of oppression.
- for-instance — an instance or example: Give me a for-instance of what you mean.
- foraminifera — any chiefly marine protozoan of the sarcodinian order Foraminifera, typically having a linear, spiral, or concentric shell perforated by small holes or pores through which pseudopodia extend.
- forbearances — Plural form of forbearance.
- forbearingly — In a forbearing manner.
- forced entry — entry into a building by force, eg by forcing a lock
- forcefulness — full of force; powerful; vigorous; effective: a forceful plea for peace.
- forcibleness — The quality of being forcible.