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[floo r-een, -in, flawr-, flohr-] /ˈflʊər in, -ɪn, ˈflɔr-, ˈfloʊr-/

noun, Chemistry.
a white, crystalline, water-insoluble solid, C 13 H 10 , used chiefly in the manufacture of resins and dyes.
a white insoluble crystalline solid used in making dyes. Formula: (C6H4)2CH2


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    [floo-res-uh ns, flaw-, floh-] /flʊˈrɛs əns, flɔ-, floʊ-/ noun, Physics, Chemistry. 1. the emission of radiation, especially of visible light, by a substance during exposure to external radiation, as light or x-rays. Compare (def 1). 2. the property possessed by a substance capable of such emission. 3. the radiation so produced. /ˌflʊəˈrɛsəns/ noun 1. (physics) […]

  • Fluorescein

    [floo-res-ee-in, flaw-, floh-] /flʊˈrɛs i ɪn, flɔ-, floʊ-/ noun, Chemistry. 1. an orange-red, crystalline, water-insoluble solid, C 20 H 12 O 5 , that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes. /ˌflʊəˈrɛsɪɪn/ noun 1. an orange-red crystalline compound that in aqueous solution […]

  • Fluorescence-activated cell sorter

    [floo-res-uh ns ak-ti-vey-tid, flaw-, floh-] /flʊˈrɛs əns ˌæk tɪˌveɪ tɪd, flɔ-, floʊ-/ noun 1. .

  • Fluorescent

    [floo-res-uh nt, flaw-, floh-] /flʊˈrɛs ənt, flɔ-, floʊ-/ adjective 1. possessing the property of ; exhibiting . 2. strikingly bright, vivid, or glowing: plastic toys in fluorescent colors. noun 3. a lighting fixture that utilizes a . /ˌflʊəˈrɛsənt/ adjective 1. exhibiting or having the property of fluorescence adj. 1853, from fluor- + -escent (see fluorescence). […]

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