[fos-fuh-rahyt] /ˈfɒs fəˌraɪt/
a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
a fibrous variety of the mineral apatite
any of various mineral deposits that consist mainly of calcium phosphate
[fos-fuh-rahyz] /ˈfɒs fəˌraɪz/ verb (used with object), phosphorized, phosphorizing. 1. (def 1).
1. a combining form representing phosphorus, in compound words: phosphoroscope. phosphoro- or phosphor- pref.
phosphorolysis phos·pho·rol·y·sis (fŏs’fə-rŏl’ĭ-sĭs) n. The splitting of a bond by the addition of phosphoric acid to a compound, analogous to hydrolysis.
[fos-fawr-uh-skohp, -for-] /fɒsˈfɔr əˌskoʊp, -ˈfɒr-/ noun 1. an instrument for measuring the duration of evanescent phosphorescence in different substances. /fɒsˈfɒrəˌskəʊp/ noun 1. an instrument for measuring the duration of phosphorescence after the source of radiation causing it has been removed