reflex action

• Reacción automática e involuntaria a un estímulo que ocurre sin pensamiento consciente, usada a menudo para describir una respuesta rápida e instintiva tanto en sentido biológico como figurado.

An automatic, involuntary response to a stimulus that occurs without conscious thought, often used to describe a quick, instinctive reaction in both biological and figurative contexts.

1. B2formal

   An automatic, involuntary response of the body to a stimulus, not controlled by conscious thought.

   acto reflejo

   • Pulling your hand away from a hot stove is a reflex action.
   • The doctor tested the patient's knee-jerk reflex action.
   • Blinking when something comes near your eye is a natural reflex action.

2. Automatic behaviorB2informal

   A quick, unthinking reaction to a situation, often based on habit or instinct.

   acción refleja

   • His reflex action was to catch the falling glass.
   • For her, saying 'thank you' is a reflex action.
   • When the ball came flying, his reflex action was to duck.