The meaning of SUBSTANCE is essential nature : essence. How to use substance in a sentence.

An ecosystem is a system controlled by the flow of energy, and substances such as water, carbon and phosphorus, exchanged among living things.

SUBSTANCE definition: that of which a thing consists; physical matter or material. See examples of substance used in a sentence.

Definition of substance noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Any material that possesses physical properties is called a substance. The word also refers to the gist or main idea of something. If you remember the main point of a lesson, you've got the substance.

A drug, chemical, or other material (such as glue) that one is dependent on or uses habitually and that is often illegal or subject to government regulation: Which substance was he abusing? 2. The most …

Substance is the quality of being important or significant. It's questionable whether anything of substance has been achieved. Syria will attend only if the negotiations deal with issues of substance. …

Substance is the material, or matter, of which something is made. Substances are physical things that can be seen, touched, or measured. They are made up of one or more elemental parts. Iron and …

Every pure element is a substance. Every pure compound is a substance. Examples of substances: Iron is an element and hence is also a substance. Methane is a compound and hence is also a …

Chemistry a particular kind of material, as of a definite chemical composition:[countable] a metallic substance. substantial, important, significant, or solid character or quality:[uncountable] Those claims …