# SYN

/ˈsɪn/ (US) · CEFR C2 · Noun

Source: https://englishreference.com/word/syn
Updated: 2026-05-11

## Definition

Stands for synthetic. A material or chemical that is made by people in a laboratory rather than being found in nature.

For teachers: Abbreviation for synthetic. A substance or material produced through chemical synthesis rather than occurring naturally. Often used in industrial or laboratory contexts to distinguish man-made compounds from organic or natural counterparts.

## Examples

- The jacket is made from a tough syn fabric.
- The chemist compared the properties of the natural rubber with the newly developed syn alternative.
- While the natural extract remains the industry standard for high-end perfumery, many commercial manufacturers have transitioned to a syn version to ensure batch consistency and lower production costs.

## Usage notes

- Often used as a prefix or a shorthand label in technical specifications and chemical inventories.

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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.