subatomic


sub·atom·ic

adjective \-ə-ˈtä-mik\

: smaller than an atom

: of or relating to the inside of an atom

Full Definition of SUBATOMIC

1
:  of or relating to the inside of the atom
2
:  of, relating to, or being particles smaller than atoms

First Known Use of SUBATOMIC

1903

sub·atom·ic

adjective \ˌsəb-ə-ˈtäm-ik\   (Medical Dictionary)

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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