Pronucleus

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This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. The haploid nucleus of a sperm or egg before fusion of the nuclei in fertilization.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Either of the two haploid nuclei (of a sperm and ovum) that fuse during fertilization
    • the GNU version of the Collaborative International Dictionary of English
  • n. One of the two bodies or nuclei (called male and female pronuclei) which unite to form the first segmentation nucleus of an impregnated ovum.
    • The Century Dictionary and Cyclopedia
  • n. A primitive nucleus; the nucleus of an ovum or of a spermatozoön before these have united to form the definitive nucleus of an impregnated ovum.
  • n. In botany, the nucleus of a conjugating gamete, which on coalescing with another pronucleus forms the germ-nucleus.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. the nucleus of the ovum or sperm after fertilization but before they fuse to form the nucleus of the zygote
    • Hypernym
    Words that are more generic or abstract
    cell nucleus    karyon    nucleus   
    Cross Reference
    stationary pronucleus   
    Variant
    pronuclei   
    Same Context
    Words that are found in similar contexts
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