annular

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English[edit]

WOTD – 26 May 2007

Etymology[edit]

From Latin ānulāris (“ring-shaped”); (possibly through French annulaire), from ānulus (“ring”).

Pronunciation[edit]

Adjective[edit]

annular (not comparable)

  1. Pertaining to, or having the form of, a ring; ring-shaped; in the shape of an annulus.
    annular fiber
    • 1963 April, Roy L. Clough, Jr., “Hoopskirt: The old "flying barrel" turns in a top performance in this up-to-date-model”, in Popular Mechanics‎[1], page 155:
      If anybody snickers, put 'em in their place by reminding them that the annular wing is a very old aeronautical principle.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 6:
      The capsule in both families is spherical, with a bistratose wall; the outer cell layer usually bears nodular thickenings […] ; the inner layer (of nearly equally large cells) lacks the regular semiannular or annular thickenings of most other leafy liverworts […]
  2. Banded or marked with circles.

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