react

reagire

Fare qualcosa o provare un’emozione in risposta a ciò che si sente o si vive.

In inglese semplice: 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.

Come si 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.)

Sinonimi: respond

Espressioni comuni: react to something, react with surprise, react quickly, react with anger

reagire

Subire un cambiamento nel corpo per effetto di un farmaco, un alimento o un’altra sostanza.

In inglese semplice: 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?

Come si usa: react to something (His skin reacts to some washing powders.)

Sinonimi: respond

Espressioni comuni: react to medicine, react badly, react to something

reagire

Trasformarsi, detto di sostanze che entrano in contatto e spesso ne producono altre.

In inglese semplice: 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.

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

Espressioni comuni: react with oxygen, react with something, react to form

esercitare una forza opposta

Esercitare una forza contraria sul corpo che applica una forza su di esso.

In inglese semplice: 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.

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

Sinonimi: push back

Espressioni comuni: react against something, react on something

reazione

Emoji aggiunta a un contenuto online per esprimere ciò che si prova al riguardo.

In inglese semplice: 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?

Sinonimi: reaction

Espressioni comuni: a sad react, an angry react, a heart react