double fertilization


Definition of double fertilization

: fertilization characteristic of seed plants in which one sperm nucleus fuses with the egg nucleus to form an embryo and another fuses with polar nuclei to form endosperm

Examples of double fertilization in a Sentence

Recent Examples on the Web These double fertilization events seem to explain at least some honeybee gynandromorphs, though male-female hybrids in other species can manifest in other ways. Katherine J. Wu, Smithsonian Magazine, "Meet the Bee With a Body That’s Half Male, Half Female," 2 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'double fertilization.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of double fertilization

circa 1909, in the meaning defined above

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The first known use of double fertilization was circa 1909

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Cite this Entry

“Double fertilization.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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