concentric
Concise Oxford English Dictionary © 2008 Oxford University Press:
concentric/kənˈsentrɪk/
▶adjective of or denoting circles, arcs, or other shapes which share the same centre.
– derivatives
concentrically adverb,
concentricity noun.
concentrically adverb,
concentricity noun.
– origin ME: from OFr. concentrique or med. L. concentricus, from con- ‘together’ + centrum ‘centre’.
'concentric' also found in these Oxford entries:
coaxial
- coil
- fresnel lens
- growth ring
- onion
- oolite
- Paul Jones
- pitch circle
- Ptolemaic system
- target
- telescope
- tree ring
- tunic
- tunicate
- zone plate
