Fertilization definitions

fûr'tl-ĭ-zā'shən
The act or process of initiating biological reproduction by insemination or pollination.
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The union of male and female gametes to form a zygote.
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The act or process of applying a fertilizer.
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The act or process of initiating biological reproduction by insemination or pollination.
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The union of male and female gametes to form a zygote.
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The act or process of applying a fertilizer.
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The process by which two gametes (reproductive cells having a single, haploid set of chromosomes) fuse to become a zygote, which develops into a new organism. The resultant zygote is diploid (it has two sets of chromosomes). In cross-fertilization, the two gametes come from two different individual organisms. In self-fertilization, the gametes come from the same individual. Fertilization includes the union of the cytoplasm of the gametes (called plasmogamy) followed by the union of the nuclei of the two gametes (called karyogamy). Among many animals, such as mammals, fertilization occurs inside the body of the female. Among fish, eggs are fertilized in the water. Among plants, fertilization of eggs occurs within the reproductive structures of the parent plant, such as the ovules of gymnosperms and angiosperms.
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The process of making soil more productive of plant growth, as by the addition of organic material or fertilizer.
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The act or process of rendering fertile.
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The act of fecundating or impregnating animal or vegetable gametes; especially, the process by which in flowers the pollen renders the ovule fertile, or an analogous process in flowerless plants; fecundation; impregnation.
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Origin of fertilization

Sentence Examples

  • Fertilization is effected by the union of two nuclei in all those cases which have been carefully investigated.

  • Many Gastropoda deposit their eggs, after fertilization, enclosed in capsules; others, as Paludina, are viviparous; others, again, as the Zygobranchia, agree with the Lamellibranch Conchifera (the bivalves) in having simple exits for the ova without glandular walls, and therefore discharge their eggs unenclosed in capsules freely into the sea-water; such unencapsuled eggs are merely enclosed each in its own delicate chorion.

  • sessiliflora, after fertilization, enlarged.

  • Recent Work on the Results of Fertilization in Angiosperms, Ann.

  • The subject of fertilization was one which early excited attention.

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Words near fertilization in the Dictionary