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tourmaline ['tʊəməliːn, 'tʊrm-] n
gen. Turmalin m
 English thesaurus
tourmaline ['tʊəməliːn, 'tʊrm-] n
jewl. A complex crystalline silicate containing aluminum, boron, and other elements.
tourmaline: 6 phrases in 5 subjects
Earth sciences1
General1
Metallurgy2
Optics branch of physics1
Ornithology1