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Webster 1913 Edition

Noun.

The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form;

as, the

arborescence

produced by precipitating silver

Noun.

[L. arboresco, to grow to a tree.]

The figure of a tree; the resemblance of a tree in minerals, or crystalizations or groups of crystals in that form.