Reagent
/riˈeɪdʒənt/noun
A substance used to make a chemical reaction happen or to check if a reaction can happen.
The scientist added a reagent to the mixture to test for acid.
Often appears as...
- add reagent
- reagent bottle
Usage tips
Academic
Definition 1 of 3
Pro Tip 1/3Chemistry Specific
Understand that 'reagent' in chemistry refers to substances explicitly in reactions, not general chemicals.
He explained that the reagent would help observe the reaction's color change.
Pro Tip 2/3Practical Use
'Reagent' is often used to discuss practical aspects of experiments, such as mixing chemicals.
Pour the reagent slowly to avoid a violent reaction.
Pro Tip 3/3Experiment Outcome
Reagents are key in determining if a reaction happens, often revealing a substance's presence.
The absence of a precipitate confirmed the reagent did not react.
Compare with
agentchemicalcompoundelementmaterialmixturesolutionsubstrate
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