actin
/ˈæktɪn/
actin noun: a globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
Noun
actin (countable and uncountable, plural actins)
- 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.
- One of the six isoforms of actin.
actin meaning in Hindi, Tamil, Marathi and Urdu
actin in Hindi
- एक्टिन, ऐक्टिन
actin in Tamil
- அக்றின், ஆக்டின்
actin in Marathi
- अॅक्टिन, एक्टिन, अॅक्टीन
actin in Urdu
- ایکٹین
More languagesFewer languages
- actin in Bengali
- অ্যাক্টিন, অ্যাকটিন
- actin in Telugu
- యాక్టిన్
- actin in Malayalam
- ആക്ടിൻ, ആക്റ്റിൻ
- actin in Kannada
- ಆಕ್ಟಿನ್, ಆ್ಯಕ್ಟಿನ್
- actin in Punjabi
- ਐਕਟੀਨ, ਐਕਟਿਨ
- actin in Gujarati
- એક્ટિન, ઍક્ટિન, એક્ટીન
- actin in Odia
- ଆକ୍ଟିନ, ଆକ୍ଟିନ୍
- actin in Nepali
- एक्टिन, एक्टीन
- actin in Indonesian
- aktin
Examples of actin in a sentence
- Man, quit actin' brand new, bruh. You only being this way 'cause there's a girl.
- Muscle consists largely of actin and myosin filaments.
- There are three main classes of biopolymers: polynucleotides (such as RNA and DNA), polypeptides (such as collagen and actin), and polysaccharides (such as cellulose and starch).
Forms of actin
| plural | actins |
|---|
Origin of actin
From Ancient Greek ἀκτίς (aktís, “ray”), based on the shape of the filament formed, + -in.
Words formed from actin
Questions about actin
- What does actin mean?
- Actin means a globular structural protein that polymerizes in a helical fashion to form an actin filament (or microfilament).
- What is actin in Hindi?
- Actin in Hindi is एक्टिन, ऐक्टिन. See Actin meaning in Hindi.
- What part of speech is actin?
- Actin is a noun.
- How do you pronounce actin?
- Actin is pronounced /ˈæktɪn/.
- What is the plural of actin?
- The plural of actin is actins.
Words near actin in the dictionary
Source and license
Adapted from Wiktionary: actin (page history and authors); actin (Hindi, IndicTrans2 machine translation) (model and license); actin (Tamil Wiktionary) (page history and authors); actin (Marathi, IndicTrans2 machine translation) (model and license); actin (Urdu, IndicTrans2 machine translation) (model and license); actin (Bengali, IndicTrans2 machine translation) (model and license); actin (Telugu, IndicTrans2 machine translation) (model and license); actin (Malayalam, IndicTrans2 machine translation) (model and license); actin (Kannada, IndicTrans2 machine translation) (model and license); actin (Punjabi, IndicTrans2 machine translation) (model and license); actin (Gujarati, IndicTrans2 machine translation) (model and license); actin (Odia, IndicTrans2 machine translation) (model and license); actin (Nepali, IndicTrans2 machine translation) (model and license). 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.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Wodencafe-actin.wav.
Cite this entry: “actin.” Word.ws, https://word.ws/actin. Based on Wiktionary, CC BY-SA 4.0.