concentric

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English

Concentric circles

Alternative forms

Etymology

From Middle English concentrik, from Middle French concentrique, from Medieval Latin concentricus, from Latin con- (with, together) + centrum (circle, center). Equivalent to con- +‎ -centric.

Pronunciation

  • Audio (US):(file)
  • Rhymes: -ɛntɹɪk

Adjective

concentric (comparative more concentric, superlative most concentric)

  1. (geometry) Having a common center.
    • 2020 August 26, Tim Dunn, “Great railway bores of our time!”, in Rail, page 45:
      Seven huge concentric semi-circular rings of stone surround the northern end, and quite rightly are Grade 2-listed by conservation body Historic England.
  2. (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).
    Antonym: eccentric. Concentric and eccentric movements are collectively referred to as isotonic (with motion), the antonym of which is isometric (without motion).

Antonyms

Derived terms

Descendants

Translations

See also

Romanian

Etymology

Borrowed from French concentrique.

Adjective

concentric m or n (feminine singular concentrică, masculine plural concentrici, feminine and neuter plural concentrice)

  1. concentric

Declension

Declension of concentric
singular plural
masculine neuter feminine masculine neuter feminine
nominative-
accusative
indefinite concentric concentrică concentrici concentrice
definite concentricul concentrica concentricii concentricele
genitive-
dative
indefinite concentric concentrice concentrici concentrice
definite concentricului concentricei concentricilor concentricelor