His single word triggered a chain reaction, and everything changed.

She overreacted to his words.

Nuclear reactions are used for mass production of energy.

I was surprised by his overreaction.

Aluminium oxide is widely used as a refractory and abrasive material.

Calcium oxide is one of the main components of cement.

Peroxidation is one of the chemical reactions, especially involved in the oxidation of lipids.

Basic oxides react with acids to produce salt and water.

This is a kind of flower.

He is suffering from combat stress reaction.