# zinc

/ˈzɪŋk/ (US) · /zˈɪŋk/ (UK)

Source: https://englishreference.com/word/zinc
Updated: 2026-06-20

## Senses

### 1. the chemical element

noun · CEFR B2

a bluish-white metal that is often used to coat iron or steel to prevent rusting.

For teachers: a metallic chemical element, symbol Zn, used in alloys such as brass and for galvanising iron and steel.

- The roof was made of steel coated in zinc to stop it from rusting in the rain.
- The industrial process of galvanisation involves dipping steel components into molten zinc to create a protective, corrosion-resistant layer.

### 2. the dietary mineral

noun · CEFR B2

a mineral found in food that helps your body's immune system and healing.

For teachers: an essential trace element required for the function of various enzymes and the immune system.

- Oysters and pumpkin seeds are both very high in zinc.
- Clinical studies suggest that maintaining adequate levels of zinc can significantly reduce the duration of common cold symptoms in healthy adults.

### 3. to coat with zinc

verb · CEFR C2 · Technical

to cover a metal surface with a layer of zinc.

For teachers: to coat or treat a surface with zinc, typically through electroplating or galvanisation.

- The factory needs to zinc these bolts before they can be used outdoors.
- The specifications require the contractor to zinc the structural supports to ensure the bridge's longevity in the humid coastal environment.

## Examples

- Zinc helps protect the steel from rusting.
- The roof is coated with zinc to prevent corrosion from the salty sea air.
- While zinc is industrially vital for its anti-corrosive properties, it is equally significant in human biology as a cofactor for numerous enzymes that regulate cellular metabolism and DNA repair.

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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.