Substance Definition & Meaning - Merriam-Webster
2015年1月3日 · The meaning of SUBSTANCE is essential nature : essence. How to use substance in a sentence.
SUBSTANCE | English meaning - Cambridge Dictionary
All athletes are tested for illegal substances. This substance is so radioactive that it glows in the dark. This substance stretches to any shape you want. Rubber is a flexible substance. Two …
Definition of substance - Chemistry Dictionary
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 substance. Examples of non-substances: Salt water is not a substance. It is a mixture of two substances - sodium chloride and water. Its composition and therefore its properties are not fixed.
Substance - Definition, Meaning & Synonyms | Vocabulary.com
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.
SUBSTANCE definition and meaning | Collins English Dictionary
A substance is a solid, powder, liquid, or gas with particular properties. Ethylene glycol is a poisonous substance found in antifreeze. The substance that's causing the problem comes from the barley. Substance is the quality of being important or significant. It's questionable whether anything of substance has been achieved.
Substance Definition & Meaning | Britannica Dictionary
The pancreas secretes a substance called insulin. The floor was covered with a white, powdery substance that turned out to be flour. He had a history of substance abuse. When has he ever said anything of substance? The book lacks substance. The …
Chemical substance - Wikipedia
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. [1][2] Chemical substances may take the form of a single element or chemical compounds. If two or more chemical substances can be combined without reacting, they may form a chemical mixture. [3] .