Glossary · Nouns · F
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TermTypeDefinitionClassificationsUpdated
Fothergillanounany of several deciduous low-growing shrubs of the genus Fothergilla having showy brushlike spikes of white flowers in spring and fiery red and orange autumn colorverified
Foul BallnounMWE(baseball) a ball struck with the bat so that it does not stay between the lines (the foul lines) that define the width of the playing fieldverified
Foul LinenounMWElines through 1st and 3rd base indicating the boundaries of a baseball fieldverified
Foul-Weather GearnounMWEprotective garment that is intended to keep the wearer dry and warm in bad weatherverified
Foulardnouna light plain-weave or twill-weave silk or silklike fabric (usually with a printed design)verified
Foulmartnoundark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatenedverified
Foumartnoundark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatenedverified
Foundationnounthe fundamental assumptions from which something is begun or developed or calculated or explainedverified
Foundation GarmentnounMWEa woman's undergarment worn to give shape to the contours of the bodyverified
Foundling HospitalnounMWEa hospital where foundlings (infant children of unknown parents) are taken in and cared forverified
Fountain of YouthnounMWEa fountain described in folk tales as able to make people young againverified
Four O'clocknounMWEany of several plants of the genus Mirabilis having flowers that open in late afternoonverified
Four-Footed ButterflynounMWEmedium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breastverified
Four-In-Handnouna long necktie that is tied in a slipknot with one end hanging in front of the otherverified
Four-Letter Anglo-Saxon WordnounMWEany of several short English words (often having 4 letters) generally regarded as obscene or offensiveverified
Four-Letter WordnounMWEany of several short English words (often having 4 letters) generally regarded as obscene or offensiveverified
Four-Part HarmonynounMWEharmony in which each chord has four notes that create four melodic linesverified
Four-Posternouna bed with posts at the four corners that can be used to support a canopy or curtainsverified
Four-Stroke EnginenounMWEan internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second strokeverified
Four-Stroke Internal-Combustion EnginenounMWEan internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second strokeverified
Four-Tailed BandagenounMWEa bandage consisting of a strip of cloth split in two on both endsverified
Four-Wheel DrivenounMWEa transmission that provides power directly to all four wheels of a motor vehicleverified
Fourfold Point CorrelationnounMWEan index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female)verified
Fourth Cranial NervenounMWEeither of the two cranial nerves on either side that control the superior oblique muscles of the eyesverified
Fourth DimensionnounMWEthe fourth coordinate that is required (along with three spatial dimensions) to specify a physical eventverified
Fourth VentriclenounMWEan irregular ventricle between the third ventricle and the central canal of the spinal cordverified
Foveanounarea consisting of a small depression in the retina containing cones and where vision is most acuteverified
Fovea CentralisnounMWEarea consisting of a small depression in the retina containing cones and where vision is most acuteverified
Fowl CholeranounMWEan acute diarrheal disease (especially of chickens) caused by the microorganism that causes hemorrhagic septicemiaverified
Fox GrapenounMWEpurplish-black wild grape of the eastern United States with tough skins that slip easily from the fleshverified
Fox SharknounMWElarge pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feedverified
Foxberrynounlow evergreen shrub of high north temperate regions of Europe and Asia and America bearing red edible berriesverified
Foxtailnoungrasses of the genera Alopecurus and Setaria having dense silky or bristly brushlike flowering spikesverified
Foxtail BarleynounMWEbarley grown for its highly ornamental flower heads with delicate long silky awnsverified
Foxtail GrassnounMWEgrasses of the genera Alopecurus and Setaria having dense silky or bristly brushlike flowering spikesverified
Foxtail MilletnounMWEcoarse drought-resistant annual grass grown for grain, hay, and forage in Europe and Asia and chiefly for forage and hay in United Statesverified
Foxtail OrchidnounMWEany of various orchids of the genus Rhyncostylis having pink- to purple-marked white flowers in a dense cylindrical racemeverified
Fractalnoun(mathematics) a geometric pattern that is repeated at every scale and so cannot be represented by classical geometryverified
Fractional Monetary UnitnounMWEa monetary unit that is valued at a fraction (usually one hundredth) of the basic monetary unitverified
Fractional ProcessnounMWEa process that uses heat to separate a substance into its componentsverified