subatomic particle

(redirected from Sub Atomic)
Also found in: Dictionary, Thesaurus, Medical.

subatomic particle

[¦səb·ə′täm·ik ′pärd·ə·kəl]
(physics)
A particle which is smaller than an atom, namely, an elementary particle or an atomic nucleus.
References in periodicals archive ?
Some researchers in the field of sub atomic physics believe the strange actions and reactions of ultra small sub atomic particles may eventually reveal parallel universes.
Dr Dorey, based at the university's department of physics, has specialised in looking at the properties of sub atomic particles which are the fundamental constituents of all matter.