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
Particle physicists strive to understand the inner workings of the universe by smashing subatomic particles together with enormous energies to blast out exotic new bits of matter.
First theorized in the 1980s, quantum computers seek to harness the strange and counterintuitive world of quantum physics, which studies the behavior of particles at the atomic and subatomic level.
The result is an important breakthrough that establishes China as a pioneer in efforts to harness the enigmatic properties of matter and energy at the subatomic level, the...
The particle, called a charm quark, revealed surprising interactions with its neighboring subatomic particles, measurements show.
Like subatomic particles, their trajectories cannot be predicted.
Scientists believe these small variations are actually remnants of subatomic-sized temperature differences that were present at the moment of the Big Bang that are now stretched across the entire universe.
Scientists at the Large Hadron Collider have made an exciting new observation of an elusive subatomic particle which could reveal important information about a rare type of particle.
In certain situations, the equations of quantum theory implied that one subatomic particle’s behavior was bound up with another’s, even if the second particle was across the room, or on the other side of the planet, or in the Andromeda galaxy.
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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