Field Notes Liquid Liquid is a programmatic coding language used to display content on Shopify websites. Liquid is to Shopify as PHP is to WordPress, except that Liquid is almost exclusively used with Shopify themes. Related Terms: Glossary: Infantree Coding LanguagesGlossary: LiquidAlternative Meanings: Liquid Liquid is the template programming language specifically used by Shopify. It allows us to create dynamic, custom themes for our clients, similar to how PHP allows us to create custom themes for WordPress. « Back to Glossary Index