# plasticity

/plɑːstˈɪsɪti/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/plasticity
Updated: 2026-05-18

## Definition

the ability of something to change its shape or form easily without breaking. It is often used to describe how a material behaves when you press or stretch it.

For teachers: the property of a material that allows it to undergo permanent deformation without rupture when subjected to stress. In a biological context, it refers to the brain's ability to reorganise itself by forming new neural connections throughout life.

## Examples

- The plasticity of the clay makes it easy to shape.
- Engineers tested the plasticity of the new polymer to ensure it could withstand extreme temperatures without cracking.
- The study highlights the remarkable plasticity of the adult human brain, demonstrating that cognitive functions can be improved through targeted practice and environmental enrichment.

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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.