A a


    • US Pronunciation
    • US IPA
    • [ak-ruh-sohm]
    • /ˈæk rəˌsoʊm/
    • US Pronunciation
    • US IPA
    • [ak-ruh-sohm]
    • /ˈæk rəˌsoʊm/

Definitions of acrosome word

  • noun acrosome a cap-like structure on the tip of a spermatozoon that releases enzymes on encountering the ovum allowing fusion with the ovum in the sexual reproductive process; this part of the process is known as the acrosome reaction 3
  • noun acrosome a thin sac usually at the head of a sperm cell containing enzymes which dissolve the protective layers of an egg cell 3
  • noun acrosome an organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg. 1
  • noun acrosome A structure forming the end of the head of a spermatozoon. 1

Information block about the term

Origin of acrosome

First appearance:

before 1895
One of the 18% newest English words
1895-1900; < German Akrosoma; see acro-, -some3

Historical Comparancy

Parts of speech for Acrosome


acrosome popularity

A common word. It’s meaning is known to most children of preschool age. About 74% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

acrosome usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with acrosome

  • what is acrosome?
  • what is an acrosome?
  • what is the function of acrosome?
  • what is the acrosome?
  • what does the acrosome do in a sperm cell?

See also

Matching words

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