reactive

• Que reage a um estímulo ou mudança; em química, diz-se de substância que entra facilmente em reação química.

Describes something that responds to a stimulus or change; in chemistry, it refers to a substance that readily undergoes a chemical reaction.

1. Participating readily in reactionsB2formalscientific

   Describes a substance that easily undergoes chemical reactions.

   Reativo

   • Sodium is a highly reactive metal that reacts violently with water.
   • Reactive oxygen species can damage cells.
   • The chemist studied the reactive properties of the new compound.

   Sinônimosactivelabileunstable

   Antônimosinertstableunreactive

2. Reacting to a stimulusB2formal

   Tending to respond to something that happens or is said, rather than acting independently.

   Reativo

   • The government's policy was purely reactive to the crisis.
   • A reactive approach to customer complaints is less effective than a proactive one.
   • His reactive behavior made it difficult to plan ahead.

   Sinônimosreceptiveresponsivesensitivesusceptible

   Antônimosactiveindependentinitiativeproactivespontaneousunresponsive