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Nov 21, 2023 · In science, the term substance is used to define different types of matter with specific properties and compositions. All matter can be classified as either a substance or a mixture.
n. 1. that of which a thing consists; physical matter or material: form and substance. 2. a kind of matter of definite chemical composition: a metallic substance. 3. the actual matter of a thing, as opposed to the appearance or shadow; reality. 4. substantial or solid character or quality: claims lacking in substance.
The meaning of substance. Definition of substance. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.
A substance is matter that has a uniform and definite composition. All samples of substances, sometimes called pure substances, have identical properties. When chemists run a chemical reaction, they want to use pure materials so they know exactly what they are dealing with. They know that the reaction involves a specific substance, so they ...
Substance definition: that of which a thing consists; physical matter or material. See examples of SUBSTANCE used in a sentence.
The meaning of substance. Definition of substance. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.
SUBSTANCE meaning: a solid, liquid, or gas: . Learn more.
