Rant #10

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ATOM: (noun)

1. Physics. The smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical attraction; the number of protons determines the identity of the element. An atom with one of the electrons replaced by some other particle:

muonic atom; kaonic atom.

2. Energy. This component as the source of nuclear energy.

3. A hypothetical particle of matter so minute as to admit of no division.

4. Anything extremely small; a minute quantity.

[[[5]]] The building blocks of everything.