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 days after he'd been exposed to the substance, a painful rash erupted on his neck
Substance - 40+ Examples, Definition, Formula, Types, Differences In chemistry, a substance is any form of matter that has a uniform and unchanging composition This means that a substance is made of the same material throughout and has specific properties that do not change Examples of substances include water, salt, and sugar
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]
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 - Oxford Learners Dictionaries Definition of substance noun from the Oxford Advanced Learner's Dictionary [countable] a type of solid, liquid or gas that has particular qualities Some frogs produce toxic substances in their skin Exercise of this kind improves the balance of fatty substances in the bloodstream Psychoactive drugs are chemical substances that act on the brain
Substance - definition of substance by The Free Dictionary 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 5 consistency; body
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 Meaning - Dictionary. com that of which a thing consists; physical matter or material form and substance a species of matter of definite chemical composition a chalky substance controlled substance the actual matter of a thing, as opposed to the appearance or shadow; reality substantial or solid character or quality claims lacking in substance consistency; body