noun
synthetic vinegar
Vinegar produced by chemical synthesis rather than natural fermentation; used in food processing and industrial applications.
この製品には合成酢が使われています。
Synthetic vinegar is used in this product.
醸造酢 is naturally fermented vinegar, contrasting with 合成酢 which is synthetic.
Compound of 合成 (synthetic) and 酢 (vinegar).