reaction

reazione

Ciò che si fa, si dice o si prova in seguito a qualcosa che è accaduto.

In inglese semplice: Something you do, say, or feel because something else has happened.

• His first reaction was to laugh.
• What was your reaction to the invitation?
• Their reactions showed how surprised they were.

Come si usa: reaction to something (Her reaction to the news surprised me.)

Sinonimi: response

Espressioni comuni: first reaction, immediate reaction, reaction to something, public reaction

reazione chimica

Cambiamento in cui delle sostanze si uniscono o si scompongono, formando sostanze diverse.

In inglese semplice: A change in which substances join together or break apart to form different substances.

• The reaction produced a gas.
• Heat can speed up some reactions.
• We observed a reaction between the acid and the metal.

Come si usa: reaction between A and B (The reaction between the two chemicals produces heat.)

Sinonimi: chemical reaction

Espressioni comuni: chemical reaction, reaction with oxygen, reaction between substances