add. ·- a short crack on a rock surface planed smooth by a glacier.
2. chatter mark ·add. ·- one of the fine undulations or ripples which are formed on the surface of work by a cutting tool which chatters.
add. ·- a short crack on a rock surface planed smooth by a glacier.
2. chatter mark ·add. ·- one of the fine undulations or ripples which are formed on the surface of work by a cutting tool which chatters.
Webster English vocab. Английский словарь Webster. 2012