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Having a common center, such that two or more spheres, circles, or segments of circles are within one another.


/con·cen·tric/ (kon-sen´trik) having a common center; extending out equally in all directions from a common center.


Etymology: L, con + centrum, center
describing two or more circles that have a common center.


Having a common center; said of two or more circles or spheres having a common center.

concentric (kn·senˑ·trik),

adj 1. referring to a muscle contraction that involves reduction in a muscle's length.
2. referring to muscles or other tissues that are structured as circles or rings.

Patient discussion about concentric

Q. Where to concentrate on while losing weight and how? a strongest muscle and largest muscle reduction will help me in losing weight. Where to concentrate on while losing weight and how?

A. why not do a sport that activates more muscles then just one..? running or swimming? those actions work on groups of big muscles and on your heart and lungs system that is very important in order to get in shape.

Q. Does anyone have ideas for ways to overcome concentration problems without depending on medications? I'm reallllllly trying hard to study for my final exams and my ADD seems to bother me every time I touch the desk. Sometimes my thoughts fly out when I only think of how much I still have to study today!!! please- help if you can... I really don't want to start with meds...

A. Omega-3 fatty acids, phosphatidylserine, zinc and magnesium may have benefits with regard to ADD symptoms. i take omega-3 fatty acids every day for the past year and it helped me go threw a ruff year of studying.

More discussions about concentric
References in periodicals archive ?
In the Rangi head, spirals and concentric circles form the majority of the overall design.
The official indicated that there did not seem to be any single conspiracy behind the Mumbai and Assam incidents, instead many concentric circles of grievances that erupted all together.
THE WORLD of relationships moves in concentric circles, at least if the people involved are hot, glamorous and have something to do with Bollywood and or fashion.
The concentric circles have been painted onto the working locks, gates and outer sea wall in such a way that they don't join up unless you stand in a certain spot.
Then, if it makes long, concentric circles coming down, the time should be good.
With only two action set pieces the film lacks pace and the digital effects are no match for the production design - a hangar on Belfast docks was used to create an entire, 200-year-old subterranean city laid out in concentric circles.
Pipe sour cream in 4 concentric circles onto guacamole.
Lines arc, form concentric circles, striate otherwise densely worked passages, fan back out with a gossamer delicacy, or zigzag across space.
Red multi wool cushion, pounds 30; orange silk concentric circles cushion, pounds 20 and applique scattered circles silk cushion, pounds 20
Using concentric circles to identify exposed populations usually leads to a bias of the relative risk toward the null.
Haynes turns down the lights and dons a miner's headlamp, which casts concentric circles of light on the screen.
Erwin is creating a map of this part of the city with concentric circles rippling out from the museum to show bee-foraging distances.