Origin of concentricMiddle English concentrik from Old French concentrique from Medieval Latin concentricus from Classical Latin com-, together + -centricus, -centric
An example of concentric are the circles of the iris and pupil within an eye.
Origin of concentricMiddle English concentrik from Medieval Latin concentricus Latin com- com- Latin centrum center ; see center .
(comparative more concentric, superlative most concentric)
- (geometry) Having a common center.
- (physiology) (of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm via the elbow joint while contracting the triceps and other elbow extensor muscles; closing of the jaw while flexing the masseter).
concentric - Computer Definition
Coming from the center, or circles within circles. For example, tracks on a hard disk are concentric. Tracks on optical media are concentric or spiral shaped (in a coil) depending on the type.
- "Concentric circles throw off the creatures pursuing us," he reminded her.
- The concentric castle, with its rings of walls, began to displace the old keep and bailey with.
- Sometimes the activity of the successive cambiums simply results in the formation of concentric rings or arcs of secondary xylem and phloem.
- Capacity of two concentric spheres, of two coaxial cylinders and of two parallel planes.
- Thus the core of a circle or an ellipse is a concentric circle or ellipse of one quarter the size.