sper·​ma·​to·​zo·​on | \ (ˌ)spər-ˌma-tə-ˈzō-ˌän, -ˈzō-ən, ˌspər-mə-tə-\
plural spermatozoa\ (ˌ)spər-​ˌma-​tə-​ˈzō-​ə , ˌspər-​mə-​tə-​ \

Definition of spermatozoon

1 : a motile male gamete of an animal usually with rounded or elongate head and a long posterior flagellum

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Other Words from spermatozoon

spermatozoal \ (ˌ)spər-​ˌma-​tə-​ˈzō-​əl , ˌspər-​mə-​tə-​ \ adjective

Examples of spermatozoon in a Sentence

Recent Examples on the Web

After extracting spermatozoa from several mice, the team freeze-dried the cells and sent them to the International Space Station in August 2013. National Geographic, "Space Sperm Produces Healthy Baby Mice," 22 May 2017

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

First Known Use of spermatozoon

circa 1839, in the meaning defined at sense 1

History and Etymology for spermatozoon

New Latin

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Time Traveler for spermatozoon

The first known use of spermatozoon was circa 1839

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More Definitions for spermatozoon


sper·​ma·​to·​zo·​on | \ -ˈzō-ˌän, -ˈzō-ən \
plural spermatozoa\ -​ˈzō-​ə \

Medical Definition of spermatozoon

: a motile male gamete of an animal usually with rounded or elongate head and a long posterior flagellum

More from Merriam-Webster on spermatozoon

Britannica.com: Encyclopedia article about spermatozoon

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