单词 | fluorescein |
释义 | fluoresceinor flu·o·res·ce·ine[ floo-res-ee-in, flaw-, floh- ] / flʊˈrɛs i ɪn, flɔ-, floʊ- / noun Chemistry.an orange-red, crystalline, water-insoluble solid, C20H12O5, that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes. Also called resorcinolphthalein. Origin of fluoresceinFirst recorded in 1875–80; fluoresce + -in2 Words nearby fluoresceinfluophosphoric acid, fluor, fluorapatite, fluorene, fluoresce, fluorescein, fluorescence, fluorescence-activated cell sorter, fluorescent, fluorescent antibody technique, fluorescent antinuclear antibody test Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for fluorescein
British Dictionary definitions for fluoresceinfluorescein fluoresceine/ (ˌflʊəˈrɛsɪɪn) / nounan orange-red crystalline compound that in aqueous solution exhibits a greenish-yellow fluorescence in reflected light and is reddish-orange in transmitted light: used as a marker in sea water and as an indicator. Formula: C 20 H 12 O 5 Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for fluoresceinfluorescein [ flu-rĕs′ē-ĭn, flô- ] n.An orange-red compound that exhibits intense fluorescence in alkaline solution and is used in ophthalmology to reveal corneal lesions. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for fluoresceinfluorescein [ flu-rĕs′ē-ĭn, flô- ] An orange-red crystalline compound that exhibits intense fluorescence in alkaline solution. It is used in medicine for diagnostic purposes, in oceanography as a tracer, and as a textile dye. Chemical formula: C20H12O5. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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