Concentric vs Symmetric - What's the difference?
concentric | symmetric |
(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).
Symmetrical.
(set theory) Of a relation R'' on a set ''S'', such that ''xRy'' if and only if ''yRx'' for all members ''x'' and ''y'' of ''S (that is, if the relation holds between any element and a second, it also holds between the second and the first).
(cryptography) Using the same key (or keys that are trivially related) for both encryption and decryption.
As adjectives the difference between concentric and symmetric
is that concentric is having a common center while symmetric is symmetrical.concentric
English
Alternative forms
* coencentricAdjective
(en adjective)- Antonym: eccentric. Concentric and eccentric movements are collectively referred to as isotonic (with motion), the antonym of which is isometric (without motion).
Antonyms
* (physiology) eccentricSee also
* ("concentric" on Wikipedia)symmetric
English
Adjective
(en adjective)- "Is a sibling of" is a symmetric relation.