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Webster 1913 Edition

Noun.

[Gr. [GREEK] full of moss;

πολύσ

much + [GREEK] moss.]

(Min.)

A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes, etc.

Noun.

[stone of many marshes.] A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes and ponds.

polymnite

(mineralogy) A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes, etc.