SUBATOMIC


Meaning of SUBATOMIC in English

sub ‧ a ‧ tom ‧ ic /ˌsʌbəˈtɒmɪk◂ $ -ˈtɑː-/ BrE AmE adjective

smaller than an atom or existing within an atom:

subatomic particles

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.