First Known Use: 1857
Dictionary
polyatomic
adjective poly·atom·ic \-ə-ˈtä-mik\
Definition of POLYATOMIC
: containing more than one and especially more than two atoms <polyatomic molecules>
ADVERTISEMENT
Origin of POLYATOMIC
International Scientific Vocabulary
Rhymes with POLYATOMIC
Browse
Next Word in the Dictionary: polyautographicPrevious Word in the Dictionary: polyargyriteAll Words Near: polyatomic
ADVERTISEMENT
Seen & Heard
What made you want to look up polyatomic? Please tell us where you read or heard it (including the quote, if possible).