reactivo — meaning in English

English meaning

• reactive adj Responding to events after they happen rather than planning ahead for them.
• reagent noun A compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting.

Senses

reactivo is used for these senses in English:

• reactant (chemistry) Any of the participants present at the start of a chemical reaction, specifically one that is consumed during the reaction.
• reactive (chemistry) That readily takes part in reactions.
• reagent (chemistry) A compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting.

reactive — full definition

1. adj Responding to events after they happen rather than planning ahead for them.
2. adj Of a substance, likely to undergo a chemical reaction easily.