histone: meaning, definition, pronunciation and examples

C2
UK/ˈhɪstəʊn/US/ˈhɪstoʊn/

Technical, Scientific

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Quick answer

What does “histone” mean?

Any of a group of basic proteins found in chromatin.

Audio

Pronunciation

Definition

Meaning and Definition

Any of a group of basic proteins found in chromatin.

A family of highly alkaline proteins that package and order DNA into structural units called nucleosomes, playing a crucial role in gene regulation.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning, spelling, or usage.

Connotations

Purely scientific term with no cultural or regional connotations.

Frequency

Used with identical frequency and context in both scientific communities.

Grammar

How to Use “histone” in a Sentence

histone + noun (modification, code)adjective + histone (core, linker, variant)

Vocabulary

Collocations

strong
histone modificationhistone acetylationhistone deacetylasecore histonehistone codehistone tail
medium
histone proteinshistone complexhistone methylationhistone phosphorylation
weak
histone studyhistone functionhistone research

Examples

Examples of “histone” in a Sentence

adjective

British English

  • The histone acetylation levels were measured.
  • They studied the histone modification pathway.

American English

  • Histone methylation patterns were analyzed.
  • The research focused on histone-related diseases.

Usage

Meaning in Context

Academic

Frequent in genetics, epigenetics, and molecular biology research papers and textbooks.

Everyday

Virtually never used in everyday conversation.

Technical

Core term in technical descriptions of chromatin structure and gene expression regulation.

Vocabulary

Synonyms of “histone”

Neutral

chromatin proteinnucleoprotein

Weak

DNA-binding protein

Watch out

Common Mistakes When Using “histone”

  • Pronouncing it as 'hi-STONE'. The stress is on the first syllable: HIS-tone.
  • Using it as a countable noun without a clear referent (e.g., 'a histone' is vague; specify 'a core histone' or 'a histone variant').

FAQ

Frequently Asked Questions

'Histone' is exclusively a noun. There is no verb form.

No, it is a highly specialised scientific term. You would only encounter it in biology, genetics, or related academic fields.

The main types are core histones (H2A, H2B, H3, H4) and linker histones (H1).

Histone modifications (like acetylation, methylation) are key epigenetic mechanisms that regulate gene expression by changing how tightly DNA is packaged.

Any of a group of basic proteins found in chromatin.

Histone is usually technical, scientific in register.

Histone: in British English it is pronounced /ˈhɪstəʊn/, and in American English it is pronounced /ˈhɪstoʊn/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think 'HIS-tone' as in 'the tone of HIS genes' – histones set the tone for gene expression by wrapping DNA.

Conceptual Metaphor

PACKAGING/SCAFFOLDING: Histones act as the spools around which the thread of DNA is wound.

Practice

Quiz

Fill in the gap
DNA is wound around proteins called to form nucleosomes.
Multiple Choice

What is the primary function of histones?