Reaction Definition & Meaning - Merriam-Webster
WEB1. a. : the act or process or an instance of reacting. b. : resistance or opposition to a force, influence, or movement. especially : tendency toward a former and usually outmoded …
REACTION | English meaning - Cambridge Dictionary
WEBREACTION definition: 1. behaviour, a feeling or an action that is a direct result of something else: 2. someone's…. Learn more.
Chemical reaction | Definition, Equations, Examples, & Types
WEBApr 16, 2024 · A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. The …
REACTION Definition & Meaning | Dictionary.com
WEBnoun. a response to some foregoing action or stimulus. the reciprocal action of two things acting together. opposition to change, esp political change, or a desire to return to a former condition or system. a response indicating a person's feelings or emotional attitude. med.
reaction noun - Definition, pictures, pronunciation and usage …
WEBDefinition of reaction noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Reaction - Definition, Meaning & Synonyms | Vocabulary.com
WEBA reaction is an action taken in response to something. If you're telling your parents that you want to move out, you'll see by their reaction that they're sad about it. A reaction is often a physical in nature. A chemical reaction describes the way a chemical behaves when combined with another substance.
REACTION Synonyms: 17 Similar and Opposite Words - Merriam-Webster
WEBSynonyms for REACTION: response, answer, take, reply, backlash, reflex, revulsion, recoil; Antonyms of REACTION: action, effect, behavior, cause
REACTION definition and meaning | Collins English Dictionary
WEB4 days ago · reaction. (riækʃən ) Word forms: plural reactions. 1. variable noun. Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. Reaction to the visit is mixed. [ + to] The initial reaction of most participants is fear.
Chemical reactions | Chemistry of life - Khan Academy
WEBChemical reactions occur when chemical bonds between atoms are formed or broken. The substances that go into a chemical reaction are called the reactants, and the substances produced at the end of the reaction are known as the products.
Chemical reaction - Wikipedia
WEBChemical reactions are described with chemical equations, which symbolically present the starting materials, end products, and sometimes intermediate products and reaction conditions. Chemical reactions happen at a characteristic reaction rate at a given temperature and chemical concentration.
Skip to content