react

reaccionar

Hacer algo o sentir una emoción como respuesta a lo que oyes o te ocurre.

En inglés sencillo: If you hear or experience something, you do or feel something because of it.

• How did he react to the news?
• She reacted calmly when the alarm sounded.
• People react differently to criticism.

Cómo se usa: react to someone/something (The children reacted well to their new teacher.); react by doing something (He reacted by walking out.); react with something (She reacted with surprise to the invitation.)

Sinónimos: respond

Expresiones frecuentes: react to something, react with surprise, react quickly, react with anger

reaccionar

Experimentar el cuerpo algún cambio por efecto de un medicamento, alimento u otra sustancia.

En inglés sencillo: Your body changes in some way because of a medicine, food, or other substance.

• My skin reacts badly to this soap.
• She reacted to the medicine with a rash.
• Does your body react to certain foods?

Cómo se usa: react to something (His skin reacts to some washing powders.)

Sinónimos: respond

Expresiones frecuentes: react to medicine, react badly, react to something

reaccionar

Cambiar unas sustancias al entrar en contacto, a menudo formando otras distintas.

En inglés sencillo: Substances change when they meet, often producing different substances.

• Iron can react with oxygen.
• The chemicals reacted and released gas.
• Scientists react the two substances under controlled conditions.

Cómo se usa: react with something (The metal reacts with water.); react to form something (These substances react to form a new compound.)

Expresiones frecuentes: react with oxygen, react with something, react to form

ejercer una fuerza opuesta

Ejercer un objeto una fuerza contraria sobre otro que aplica una fuerza sobre él.

En inglés sencillo: An object pushes back against another object that applies a force to it.

• The wall reacts against the force of the ladder.
• Each body reacts on the other with an equal force.
• The support reacted against the downward load.

Cómo se usa: react against something (The spring reacts against the applied force.); react on something (The floor reacts on the box with an upward force.)

Sinónimos: push back

Expresiones frecuentes: react against something, react on something

reacción

Emoji añadido a una publicación en internet para expresar lo que sientes sobre ella.

En inglés sencillo: An emoji added to an online post to show how you feel about it.

• I left a sad react on her post.
• The video got hundreds of laughing reacts.
• Why did you give my photo an angry react?

Sinónimos: reaction

Expresiones frecuentes: a sad react, an angry react, a heart react