capacitation

noun
ca·​pac·​i·​ta·​tion | \kə-ˌpa-sə-ˈtā-shən \

Definition of capacitation 

: the change undergone by sperm in the female reproductive tract that enables them to penetrate and fertilize an egg

First Known Use of capacitation

1951, in the meaning defined above

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The first known use of capacitation was in 1951

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capacitation

noun
ca·​pac·​i·​ta·​tion | \kə-ˌpas-ə-ˈtā-shən \

Medical Definition of capacitation 

: the change undergone by sperm in the female reproductive tract that enables them to penetrate and fertilize an egg

More from Merriam-Webster on capacitation

Britannica.com: Encyclopedia article about capacitation

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