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phosphorite

[fos-fuh-rahyt] /ˈfɒs fəˌraɪt/
noun
1.
a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
Origin
1790-1800
1790-1800; phosphor- + -ite1
Related forms
phosphoritic
[fos-fuh-rit-ik] /ˌfɒs fəˈrɪt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for phosphoritic

phosphorite

/ˈfɒsfəˌraɪt/
noun
1.
a fibrous variety of the mineral apatite
2.
any of various mineral deposits that consist mainly of calcium phosphate
Derived Forms
phosphoritic (ˌfɒsfəˈrɪtɪk) adjective
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
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