Definition of atom-chipping:
(n) :
(chemistry, physics) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
(n) :
(now generally regarded figuratively) The smallest, indivisible constituent part or unit of something.
(n) :
(history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
(n) :
A very small amount; a whit.
(n) :
A mote of dust in a sunbeam.
(n) :
(programming, Lisp) An individual number or symbol, as opposed to a list; a scalar value.