# chromosomal

/ˈkɹoʊməˌsoʊməɫ/ (US) · /kɹˈəʊməsˌɒməl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/chromosomal
Updated: 2026-05-20

## Definition

relating to the long strings of DNA inside your cells that carry your genes. It describes things that involve the structure or number of these DNA strings.

For teachers: relating to or affecting the structure, number, or function of chromosomes. Often used to describe genetic conditions or mutations that involve the entire set of genetic material.

## Examples

- The doctor explained that the condition is chromosomal.
- Scientists discovered a chromosomal abnormality that caused the plant to grow much taller than its siblings.
- The study focused on chromosomal instability, a condition where cells have an abnormal number of chromosomes, often leading to cancer or developmental disorders.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.
