Definition of subatomic
1 : of or relating to the inside of the atom
2 : of, relating to, or being particles smaller than atoms
Recent Examples of subatomic from the Web
Like subatomic particles, their trajectories cannot be predicted.
That's not taking into account the possibility of a dramatic advance in hardware, such as the development of quantum computers, machines that take advantage of subatomic physics to run much faster than our current models.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subatomic'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of subatomic
SUBATOMIC Defined for English Language Learners
Definition of subatomic for English Language Learners
: smaller than an atom
: of or relating to the inside of an atom
Medical Definition of subatomic
1: of or relating to the inside of the atom
2: of, relating to, or being particles smaller than atoms
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