atom

/ˈatəm/ · noun

Meaning

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.
(history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
The smallest, indivisible constituent part or unit of something.
In logical atomism, a fundamental fact that cannot be further broken down.
The smallest medieval unit of time, equal to fifteen ninety-fourths of a second.
A mote of dust in a sunbeam.

No prose etymology has been added yet.

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No descendant words have been linked yet.