from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The nucleus of a fertilized egg immediately after the male and female nuclei have fused.
from The Century Dictionary and Cyclopedia
- n. The paired nuclei which are found in certain stages of the life-cycle of the Uredinales and the higher Basidiomycetes, and whose union is regarded as an act of fertilization. Incorrectly synkarion.
syn- + Greek karuon, nut, seed; see kar- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
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