NONAGON
Non"a*gon, n. Etym: [L. nonus ninth + Gr. (Math.)

Defn: A figure or polygon having nine sides and nine angles.

NONAGRIAN
Non*a"gri*an, n. Etym: [Etymol. uncertain.] (Zoöl.)

Defn: Any moth of the genus Nonagria and allied genera, as the spindleworm and stalk borer.

NONALIENATION
Non*al`ien*a"tion, n.

Defn: Failure to alienate; also, the state of not being alienated.

NONANE
Non"ane, n. Etym: [L. nonus ninth.] (Chem.)

Defn: One of a group of metameric hydrocarbons C9H20 of the paraffin series; — so called because of the nine carbon atoms in the molecule. Normal nonane is a colorless volatile liquid, an ingredient of ordinary kerosene.

NONAPPEARANCE
Non`ap*pear"ance, n.

Defn: Default of apperance, as in court, to prosecute or defend; failure to appear.