Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The third stage of the prophase of meiosis during which the homologous chromosomes become short and thick and divide into four distinct chromatids.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The third prophase of meiosis, during which the chromosomes shorten and divide into four chromatids

from the GNU version of the Collaborative International Dictionary of English

  • n. The third stage of the prophase of meiosis, the stage in which the pairing of homologous chromosomes has been completed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the third stage of the prophase of meiosis

Etymologies

French pachytène : Greek pakhus, thick + French -tène, ribbon (from Latin taenia; see taenia).
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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