| 单词 | fluorspars |
| 释义 | fluor /flooˈər or -ör/nounFluorite ORIGIN: L fluor flow, from its use as a flux fluoresce /-ər-esˈ/ intransitive verb To demonstrate fluorescence fluorescein /-esˈē-in/ noun A fluorescent dyestuff, C20H12O5 fluorescˈence noun
fluorescˈent adjective fluoric /-orˈik/ adjective fluˈoridate, fluˈoridize or fluˈoridate, fluˈoridise transitive verb To add a fluoride to (a water or milk supply) fluoridāˈtion noun fluˈoride noun
fluˈorinate transitive verb To introduce fluorine into a chemical compound fluorināˈtion noun fluˈorine /-ēn/ noun A pale greenish-yellow gaseous element (symbol F; atomic no 9) fluorite /flooˈər-īt/ noun A mineral, calcium fluoride, commonly purple, also green, colourless, etc, crystallizing in cubes and octahedra, found abundantly in Derbyshire. Its coloured varieties may fluoresce strongly in ultraviolet light fluorescence microscopy noun (biology) Light microscopy in which the specimen is irradiated at wavelengths which will excite the natural or artificially introduced fluorochromes fluorescent lighting noun Brighter lighting obtained for the same consumption of electricity, by using fluorescent material to convert ultraviolet radiation into visible light fluorescent screen noun A screen coated on one side with a fluorescent material that can display X-ray images fluorescent tube noun The tube of a fluorescent electric light fluorimeter see fluorometer below. fluˈorocarbon noun (chem) An alkane in which hydrogen atoms are replaced by fluorine atoms, any of a series of compounds of fluorine and carbon (corresponding to the hydrocarbons) highly resistant to heat and chemical action fluˈorochrome noun (chem) A molecule or chemical group which fluoresces on irradiation fluorogˈraphy noun Photography using fluorescence, esp in medical analysis fluoromˈeter or fluorimˈeter noun An instrument for measuring intensity of fluorescence fluorometˈric or fluorimetˈric adjective fluˈoroscope noun An instrument for X-ray examination by means of a fluorescent screen fluoroscopˈic adjective fluorosˈcopy noun fluorōˈsis noun Chronic poisoning by fluorine fluˈorotype noun (obsolete) Photography by means of fluorides fluorouracil /-ō-ūrˈə-sil/ noun An antimetabolite used in the treatment of cancer fluˈorspar noun Fluorite |
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