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touring car
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tourmaline

tour·ma·line [ trməlin, trmə ln ] (plural tour·ma·lines)


noun 
Definition:
 
glassy mineral: a hard, variously colored crystalline borosilicate mineral. Use: electronics, optics, gems.

[Mid-18th century. < Sinhalese tōramalli "cornelian"]

tour·ma·lin·ic [ trmə línnik ] adjective
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