nonagon
/ˈnɒnəɡ(ə)n
/noun
A plane figure with nine straight sides and nine angles.The room is shaped as a large nonagon, its sheer walls, a flat metallic grey, rising almost two stories up and curving into a dome....
- What's the perimeter of a nonagon whose sides are each twice the length of the side of a square whose area is 16 square units?
Derivatives
nonagonal
Origin
Mid 17th century: formed irregularly from Latin nonus 'ninth', on the pattern of words such as hexagon.
- Aten
- atenolol
- ater
- A-test
- at every turn
- ATF
- at fault
- at first
- at first blush
- at first glance
- at first hand
- at first instance
- at first sight
- (at) full blast
- at full cock
- service mark
- service member
- service module
- service pack
- service provider
- servicer
- service road
- service star
- service station
- service stripe