[steveUK]

An appropriate definition for ablation. May be found at http://www.me.mtu.edu/~microweb/chap4/ch4-2.htm

and is, quote:- "Ablation, in the broadest sense, is removal of material because of the incident light"

Sadly however, judging from the number of responses to this thread, there does not seem to be a lot of hobby CNC'ers Ablating, and I thought everybody was doing it!