Refers explicitly to the male gamete in sexual reproduction, with unique functions in fertility. In biology class, we learned how a spermatozoon carries genetic information to the egg.
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Technical Term
Used primarily in scientific and academic contexts; not commonly used in everyday language. The fertility doctor discussed the motility of the spermatozoon with the couple.
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Singular Form
Spermatozoon is singular; the plural form is 'spermatozoa' when referring to many cells. Under the microscope, the scientist observed one spermatozoon moving vigorously.