from The Century Dictionary and Cyclopedia

  • n. In botany, the conjugation of two gametes of dissimilar form: contrasted with isogamy.


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  • ~ Also spelled oogamy

    ~ Reproduction in which a small motile male sex cell fuses with a large immobile female sex cell, as happens (for example) when a sperm fuses with an egg

    ~ o·og·a·mous adjective

    January 18, 2009