flúor 145
fluorine . ( Of the lat. ) (fluor - oris, flow) . 1. m. chemical element of no. atóm. 9. Of the Group of halogens, abundant in the Earth's crust, is in the form of fluorides in minerals such as fluorite. Yellow-green color, odor choking, toxic and very reactive gas, is used to obtain metal fluoride added to drinking water and toothpaste products to prevent tooth decay. (Símb.) F ). 2. m. Quím. Flow to melt and isolate metals. ? V. fluorspar