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: Næ Né N- N. Na Nb Nc Nd Ne Ng Nh Ni Nj Nl Nm Nn No Np Nr Ns Nt Nu Nv Nw Ny

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WORDNET DICTIONARY
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OXFORD DICTIONARY

nonagon

Adjective, Noun

non=a=gon

WORDNET DICTIONARY

nonagon, n. [L. nonus ninth + Gr. angle.].

A plane figure or polygon having nine sides and nine angles. [1913 Webster]

nonagon, n. a plane figure with nine sides and angles.

Etymology

L nonus ninth, after HEXAGON

For further exploring for "nonagon" in Webster Dictionary Online