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Webster 1913 Edition

Tachylyte

Tach′y-lyte

,

Noun.

[Gr.

ταχύσ

quick +

λύειν

to dissolve.]

(Min.)

A vitreous form of basalt; – so called because decomposable by acids and readily fusible.

Definition 2024

tachylyte

tachylyte

English

Noun

tachylyte ‎(plural tachylytes)

(geology) A black, vitreous basalt of volcanic origin