a method of determining the relative age of fossil bones found in the same excavation by comparing their fluorine content.
[floo r-ahyt, flawr-, flohr-] /ˈflʊər aɪt, ˈflɔr-, ˈfloʊr-/ noun 1. a common mineral, calcium fluoride, CaF 2 , occurring in green, blue, purple, yellow, or colorless crystals, usually in cubes: the principal source of fluorine, used also as a flux in metallurgy and for ornament. /ˈflʊəraɪt/ noun 1. (US & Canadian) a white or colourless […]
1. a combining form with the meanings “fluorine,” “fluoride,” used in the formation of compound words: fluorocarbon. 2. a combining form with the meaning “fluorescence,” used in the formation of compound words: fluoroscopy. combining form 1. indicating the presence of fluorine: fluorocarbon 2. indicating fluorescence: fluoroscope fluoro- or fluor- pref.
[floo r-oh-kahr-buh n, flawr-, flohr-] /ˌflʊər oʊˌkɑr bən, ˈflɔr-, ˈfloʊr-/ noun, Chemistry. 1. any of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and […]
[floo r-uh-krohm, flawr-, flohr-] /ˈflʊər əˌkroʊm, ˈflɔr-, ˈfloʊr-/ noun, Histology. 1. any of a group of fluorescent dyes used to label biological material. /ˈflʊərəʊˌkrəʊm/ noun 1. a chemical entity, such as a molecule or group, that exhibits fluorescence fluorochrome fluor·o·chrome (flur’ə-krōm’, flôr’-) n. Any of a group of fluorescent dyes used to stain tissues and […]