(definition) by Webster 1913 Mon Jan 23 2006 at 14:01:46

Chat"ter mark`.

(a) (Mach.)

One of the fine undulations or ripples which are formed on the surface of work by a cutting tool which chatters.

(b) (Geol.)

A short crack on a rock surface planed smooth by a glacier.

 

© Webster 1913

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