annular

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

• (Received Pronunciation) IPA^(key): /ˈænjələ/, /ˈænjʊlə/
• (US) IPA^(key): /ˈænjəlɚ/

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annular (not comparable)

1. Pertaining to, or having the form of, a ring; ring-shaped; in the shape of an annulus.

   annular fiber

   • 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.

• ring-shaped

• annular eclipse
• penannular
• semiannular

• annual

• annular in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.