noun sea·man·ite \ˈsēməˌnīt\

Definition of seamanite



  1. :  a rare mineral Mn3(PO4)(BO3).3H2O that is a phosphate and borate of manganese and that occurs in pale yellow orthorhombic crystals

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Origin and Etymology of seamanite

Arthur E. Seaman †1937 American geologist + English -ite

Seen and Heard

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a trip made at another's expense

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