Home
Word with Friends
Scrabble
Dictionary
Helper
Logout
Profile
My Saves
Change Password
Home
Word with Friends
Scrabble
Dictionary
Helper
Sign up
Log in
SOWPODS
ENABLE
TWL
Atomic number
Full definition of atomic number
Noun
atomic
number
(
plural
atomic numbers
)
(
physics, chemistry
) The
number
, equal to the number of
proton
s in an
atom
that determines its
chemical
properties. Symbol:
Z
© Wiktionary
Follow @FreeWordFinder