cross-fertilize

from WordNet (r) 3.0 (2006)

cross-fertilize
    v 1: undergo cross-fertilization; become fertile [syn: {cross-
         fertilize}, {cross-fertilise}]
    2: cause to undergo cross-fertilization; "Mendel cross-
       fertilized different kinds of beans" [syn: {cross-fertilize},
       {cross-fertilise}]

from The Collaborative International Dictionary of English v.0.48

Cross-fertilize \Cross"-fer"ti*lize\, v. t. [imp. & p. p.
   {Cross-fertilized}; p. pr. & vb. n. {Cross-fertilizing}.]
   (Bot.)
   To fertilize, as the stigmas of a flower or plant, with the
   pollen from another individual of the same species.
   [Webster 1913 Suppl.]

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