A lot of thesaurus - A little bit dictionary

atoms

Overview of noun atom
1. atom -- ((physics and chemistry) the smallest component of an element having the chemical properties of the element)

2. atom, molecule, particle, corpuscle, mote, speck -- ((nontechnical usage) a tiny piece of anything)

Made possible by Princeton University "About WordNet." WordNet. Princeton University. 2010. http://wordnet.princeton.edu