👉 The term "petrostearine" is commonly used in chemistry to refer to a compound that is an ester of triglycerides. Triglycerides are long chains of fatty acids linked together by glycerol and esters, which can be formed from the addition or removal of hydrogen atoms to form various esters. The term "petrostearine" typically refers to the ester formed when a specific type of triglyceride is modified with a hydrogen atom added to form a