Atomic

/əˈtɒmɪk/

Meaning & Definition

adjective
Relating to an atom or atoms.
The atomic structure of matter is fundamental to understanding chemistry.
Of or relating to the energy produced by an atomic bomb or nuclear fission.
The atomic age began with the development of nuclear weapons.
Extremely small; minute.
He is interested in atomic particles and their behavior.
Indicating something that is indivisible, or unable to be further divided.
In the context of database transactions, we want each operation to be atomic.
Pertaining to or consisting of atoms.
The atomic weight of an element is an essential factor in chemical reactions.

Etymology

From Greek 'atomos', meaning 'indivisible', 'uncuttable'.

Common Phrases and Expressions

atomic clock:
A highly precise timekeeping device based on the vibrations of atoms.
atomic level:
Referring to phenomena or interactions that occur on the scale of individual atoms.
atomic number:
The number of protons in the nucleus of an atom, defining an element.

Related Words

Slang Meanings

Extremely good or impressive.
That party was atomic!
Powerful or explosive in nature.
Her performance was atomic!