| DECAGON | • decagon n. (Geometry) A polygon with ten sides and ten angles. • DECAGON n. a plane figure with ten equal sides. |
| DECAGONS | • decagons n. Plural of decagon. • DECAGON n. a plane figure with ten equal sides. |
| DECAGONAL | • decagonal adj. Shaped like a decagon. • DECAGONAL adj. of a plane figure, having ten sides. |
| DODECAGON | • dodecagon n. (Geometry) A polygon with twelve edges and twelve angles. • DODECAGON n. a plane figure with twelve sides. |
| ENDECAGON | • endecagon n. Alternative form of hendecagon. • ENDECAGON n. an eleven-sided polygon, also HENDECAGON. |
| UNDECAGON | • undecagon n. (Geometry) A polygon with eleven sides and eleven angles. • UNDECAGON n. a polygon having eleven sides. |
| DODECAGONS | • dodecagons n. Plural of dodecagon. • DODECAGON n. a plane figure with twelve sides. |
| ENDECAGONS | • endecagons n. Plural of endecagon. • ENDECAGON n. an eleven-sided polygon, also HENDECAGON. |
| HENDECAGON | • hendecagon n. (Geometry) a polygon with eleven edges and eleven angles. • HENDECAGON n. an eleven-sided polygon, also ENDECAGON. |
| UNDECAGONS | • undecagons n. Plural of undecagon. • UNDECAGON n. a polygon having eleven sides. |
| DECAGONALLY | • decagonally adv. In a decagonal manner. • DECAGONAL adv. of a plane figure, having ten sides. |
| DODECAGONAL | • dodecagonal adj. Having twelve sides and twelve angles. • DODECAGONAL adj. like a dodecagon, a plane figure with twelve sides. |
| HENDECAGONS | • hendecagons n. Plural of hendecagon. • HENDECAGON n. an eleven-sided polygon, also ENDECAGON. |
| QUINDECAGON | • quindecagon n. (Geometry) A polygon with fifteen sides and fifteen angles. • QUINDECAGON n. a geometric figure having fifteen sides and fifteen angles. |
| HENDECAGONAL | • hendecagonal adj. (Geometry) Having eleven sides and angles; similar to a hendecagon. • HENDECAGONAL adj. of or like a hendecagon, an eleven-sided polygon. |
| QUINDECAGONS | • quindecagons n. Plural of quindecagon. • QUINDECAGON n. a geometric figure having fifteen sides and fifteen angles. |