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dispermy

[dahy-spur-mee]
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noun
  1. the fertilization of an ovum by two spermatozoa.

Origin of dispermy

1895–1900; di-1 + -spermy < Greek -spermía. See -sperm, -y3
Related formsdi·sper·mic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018