acrosome

noun
ac·​ro·​some | \ ˈa-krə-ˌsōm \

Definition of acrosome

: an anterior prolongation of a spermatozoon that releases egg-penetrating enzymes

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Other Words from acrosome

acrosomal \ ˌa-​krə-​ˈsō-​məl \ adjective

Examples of acrosome in a Sentence

Recent Examples on the Web

This study will also be the closest off-planet look at the acrosome, which develops inside the head and acts like an organ. Joe Pappalardo, Popular Mechanics, "Why There Are Sperm Swimming Around at the Space Station," 16 July 2018

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

First Known Use of acrosome

1899, in the meaning defined above

History and Etymology for acrosome

borrowed from German Akrosoma, from akro- acro- + -soma -some entry 3

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Dictionary Entries near acrosome

acrorhagus

acroscopic

acrose

acrosome

acrospire

acrospore

across

Statistics for acrosome

Last Updated

24 Nov 2018

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Time Traveler for acrosome

The first known use of acrosome was in 1899

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More Definitions for acrosome

acrosome

noun
ac·​ro·​some | \ ˈak-rə-ˌsōm \

Medical Definition of acrosome

: an anterior prolongation of a spermatozoon that releases egg-penetrating enzymes

Other Words from acrosome

acrosomal \ ˌak-​rə-​ˈsō-​məl \ adjective

More from Merriam-Webster on acrosome

Britannica.com: Encyclopedia article about acrosome

Comments on acrosome

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to gather or build up little by little

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