12-letter words containing r, e, f, s
- doloriferous — causing pain or sadness, dolorific
- dorsiflexion — flexion toward the back.
- double first — a first in two subjects.
- draftsperson — a person employed in making mechanical drawings, especially in an architectural or engineering firm.
- dram refresh — (storage) The operation which cycles through a DRAM reading each row and writing it back again to compensate for the gradual leakage of charge from the capacitors which store the data. This may be done by the CPU but is often done by a dedicated memory controller.
- dreadfulness — The characteristic of being dreadful.
- dreamfulness — the quality of being full of dreams
- dye transfer — a photographic printing method by which a full-color image is produced by the printing of separate cyan, magenta, and yellow images from individual gelatin relief matrices.
- east african — of or relating to East Africa or its inhabitants
- effervescent — effervescing; bubbling.
- effervescing — Present participle of effervesce.
- effervescive — Tending to produce effervescence.
- efflorescent — efflorescing; blossoming.
- efflorescing — Present participle of effloresce.
- effortlessly — requiring or involving no effort; displaying no signs of effort; easy: an effortless writing style.
- effronteries — Plural form of effrontery.
- effusiometer — an apparatus for determining rates of effusion of gases, usually used for measuring molecular weights
- elfin forest — the zone of stunted wind-blown trees growing at high altitudes just above the timberline on tropical mountains
- enforcements — Plural form of enforcement.
- enfranchised — Simple past tense and past participle of enfranchise.
- enfranchises — Third-person singular simple present indicative form of enfranchise.
- equisetiform — having the form of equisetum
- factorisable — Alternative spelling of factorizable.
- fair-skinned — having pale skin; pale-complexioned
- faits divers — brief news stories, as those typically found in some French newspapers, that are sensational, lurid, etc.
- false aralia — any of several Polynesian shrubs or small trees belonging to the genus Dizygotheca, of the ginseng family, having palmately compound, mottled leaves and often grown as a houseplant.
- false arrest — arrest or detention of a person contrary to or unauthorized by law.
- false cirrus — a type of thick cirrus cloud spreading from the top of a cumulonimbus cloud
- false colour — colour used in a computer or photographic display to help in interpreting the image, as in the use of red to show high temperatures and blue to show low temperatures in an infrared image converter
- false friend — a word or expression in one language that, because it resembles one in another language, is often wrongly taken to have the same meaning, for example, the French agenda which means diary, not agenda
- falsehearted — Alternative spelling of false-hearted.
- familiarised — Simple past tense and past participle of familiarise.
- familiarizes — Third-person singular simple present indicative form of familiarize.
- familiarness — commonly or generally known or seen: a familiar sight.
- farcicalness — The property of being farcical.
- farsightedly — In a farsighted manner.
- farthingales — Plural form of farthingale.
- farthingless — without a farthing, having no money
- fast neutron — a neutron produced by nuclear fission that has lost little energy by collision; a neutron with a kinetic energy in excess of 0.1 MeV
- fast reactor — a nuclear reactor using little or no moderator, fission being caused by fast neutrons
- fast-tracker — of or relating to the fast track.
- father's day — a day, usually the third Sunday in June, set aside in honor of fathers.
- fatherliness — The property of being fatherly.
- favorite son — (at a national political convention) a candidate nominated for office by delegates from his or her own state.
- favouredness — the quality of or extent to which something is favoured
- fearlessness — without fear; bold or brave; intrepid.
- fearsomeness — causing fear: a fearsome noise.
- feather shot — fine bean shot.
- feather star — a free-swimming crinoid.
- featherbacks — Plural form of featherback.