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Webster 1913 Edition

Noun.

[Gr.

ὄροσ

mountain +

-logy

: cf. F.

orologie

The science or description of mountains.

Noun.

[Gr. a mountain, and discourse.] The science or description of mountains.

orology ‎(uncountable)

(geomorphology) the study or science of mountains, in particular how they are/were formed

the study of mountains