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Definition of
nonagon noun
from the Oxford Advanced American Dictionary
nonagon
noun
noun
NAmE
/
/
ˈnɑnəˌɡɑn
/
/
(
geometry
)
jump to other results
a flat shape with nine straight sides and nine angles
See
nonagon
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
nonagon
Nearby words
nonagenarian
noun
nonaggression
noun
nonagon
noun
nonalcoholic
adjective
nonaligned
adjective