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English Words Starting With F
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Filter
Parts of speech
- filter feeder/ˈfɪltə ˌfiːdə/An animal that feeds by straining suspended matter and food particles from water, typically by passing the water over or through a specialized filtering structure.nounC1/C2
- filter feeding/ˈfɪltə ˌfiːdɪŋ/A method of feeding in which an animal strains small food particles (like plankton) from water or air that passes through or over a filtering structure.nounC1/C2 (Low-frequency, specialized term)
- filter out/ˈfɪltə aʊt/To remove unwanted elements from a substance, group, or information stream by passing it through a selective process.verbB2
- filter paper/ˈfɪltə ˌpeɪpə/a porous paper used in laboratories and industry to separate solids from liquids or gases.nounLow
- filter press/ˈfɪltə ˌprɛs/A mechanical device used in industrial processes to separate solids from liquids by forcing the mixture through a series of filter plates under pressure.nounLow (Specialist)
- filter pump/ˈfɪltə pʌmp/A mechanical device (pump) used to circulate a fluid through a filter system, typically to remove contaminants.nounLow frequency (specialist/technical)
- filter tip/ˈfɪltə ˌtɪp/A small porous attachment at the end of a cigarette designed to trap some tar and nicotine before smoke is inhaled.nounB1
- filterable virus/ˌfɪl.tər.ə.bəl ˈvaɪ.rəs/A historical term for an infectious agent small enough to pass through a bacteriological filter.nounLow/Very Low
- filth/fɪlθ/Extreme dirt or foul, disgusting matter.nounC1
- filthy/ˈfɪlθi/extremely dirty, covered with or containing unpleasant substancesadjectiveadverbverb-transitiveB2
- filthy lucre/ˌfɪlθi ˈluːkə(r)/Money, especially when it is regarded as ill-gotten, morally tainted, or gained in a dishonorable way.nounLow
- filtrate/ˈfɪl.treɪt/A liquid that has passed through a filter.nounverbverb-ambitransitiveC1/C2 (Low frequency, technical/scientific)
- filtration/fɪlˈtreɪʃ(ə)n/the process of removing solid particles from a liquid or gas by passing it through a porous material (a filter).nounC1
- filum/ˈfaɪləm/A threadlike anatomical structure; a filament.nounRare / Technical
- fimble/ˈfɪmb(ə)l/A plant of the male hemp plant (Cannabis sativa), distinguished by its less robust growth and earlier flowering than the female plant (fimble hemp).nounArchaic / Obsolete
- fimbria/ˈfɪm.brɪ.ə/A fringe or border of hair-like filaments or slender processes, typically referring to a biological structure.nounC2/Highly Specialized
- fimbriate/ˈfɪm.brɪ.eɪt/Adjective: having a fringe or border of hair-like or thread-like projections.adjectiveverb-transitiveC2
- fimbriation/ˌfɪmbrɪˈeɪʃ(ə)n/A fringe-like border or edge; the process or state of having fringes.nounC2
- fin/fɪn/The thin, flat appendage on a fish used for propelling, steering, and stabilizing in water.nounverbverb-intransitive+1B1
- fin de siecle/ˌfæ̃ də ˈsjeɪkl/characteristic of the end of a century (especially the 19th century), marked by decadence, cultural decline, and a sense of impending changeadjectivenounC2
Showing 1861–1880 of 5868 words.