| dipyre | <chemical> A mineral of the scapolite group; so called from the double effect of fire upon it, in fusing it, and rendering it phosphorescent. Origin: Gr. = twice fire. Source: Websters Dictionary (01 Mar 1998) |
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| dipyrenous | <botany> Containing two stones or nutlets. Origin: Pref. Di- + pyrene. Source: Websters Dictionary (01 Mar 1998) |