semiannular

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English[edit]

Etymology[edit]

From semi- +‎ annular.

Adjective[edit]

semiannular (not comparable)

  1. Having a shape resembling part of a ring or incomplete circular band.
    • 1992, Rudolf M. Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, 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 []

Related terms[edit]