Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A kind of chaetopod larva in which no circles of cilia are developed.

from the GNU version of the Collaborative International Dictionary of English

  • n. A kind of chætopod larva in which no circles of cilia are developed.

from The Century Dictionary and Cyclopedia

  • Ciliated embryos of the polychætous annelids, in which the cilia form a broad zone around the body, leaving each end free of cilia, excepting, in some cases, a tuft on the head. See mesotrocha, telotrocha.
  • In Rotifera, a group of wheel-animalcules having no cilia and the lobes highly modified in shape; the wheelless rotifers.

Etymologies

From Ancient Greek a- privative + a circle. (Wiktionary)

Examples

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