Word.ws English Dictionary

actins

actins is the plural of actin.

Meaning of actin

Noun

actin (countable and uncountable, plural actins)

  1. (uncountable) A globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
    • Actin has kidney-shaped polypeptide subunits, called globular actin or G actin, which bear the active sites to which the myosin heads attach during contraction.2012, Elaine N. Marieb & Katja Hoehn, Human Anatomy & Physiology, 8th ed., chapter 9 "Muscles and Muscle Tissue", page 281.
  2. (countable) One of the six isoforms of actin.

Questions about actins

What is actins the plural of?
Actins is the plural of actin.

Words near actins in the dictionary

  1. actinozoal
  2. actinozoan
  3. actinozoans
  4. actinozoon
  5. actinozoons
  6. actins
  7. actinula
  8. actinulae
  9. actinulæ
  10. actio
  11. actio ad distans

Source and license

Adapted from Wiktionary: actins (page history and authors); actin (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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