The smallest, indivisible constituent part or unit of something. (noun)
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. (noun)
A non-zero member of a Boolean algebra that is not a union of any other elements. (noun)
A theoretical particle of matter, imagined to be incapable of further division; the smallest possible unit of substance. (noun)
The smallest medieval unit of time, equal to fifteen ninety-fourths of a second. (noun)
An individual number or symbol, as opposed to a list. A scalar value. (noun)
A very small amount. (noun)
Examples of word atom
We now suppose that it is _a rapid movement of electrons from atom to atom_ in the wire or wherever the current is.
Coined in ancient Greece, the term atom means â€œindivisible unit,â€ and through the nineteenth century, scientists believed that our entire physical universe was composed of these elementary particles.
While the term atom, therefore, is applicable only to elements, the term molecule is applicable both to elements and compounds.
Thus the term atom indicates not only the constituents of molecules but has a quantitative meaning, the proportional part of the element which enters into compounds.
I do think that harnessing the power of the atom is the way to go.