Decagon :: Decagon (n.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.
Decagonal :: Decagonal (a.) Pertaining to a decagon; having ten sides.
Decagramme :: Decagramme (n.) A weight of the metric system; ten grams, equal to about 154.32 grains avoirdupois..
Decagynia :: Decagynia (n. pl.) A Linnaean order of plants characterized by having ten styles.
Dodecagon :: Dodecagon (n.) A figure or polygon bounded by twelve sides and containing twelve angles.
Dodecagynia :: Dodecagynia (n. pl.) A Linnaean order of plants having twelve styles.
Dodecagynous :: Dodecagynous (a.) Of or pertaining to the Dodecagynia; having twelve styles.
Endecagon :: Endecagon (n.) A plane figure of eleven sides and angles.
Endecagynous :: Endecagynous (a.) Having eleven pistils; as, an endecagynous flower..
Hendecagon :: Hendecagon (n.) A plane figure of eleven sides and eleven angles.
Quindecagon :: Quindecagon (n.) A plane figure with fifteen angles, and consequently fifteen sides..
Undecagon :: Undecagon (n.) A figure having eleven angles and eleven sides.