Examples of “activate” in a Sentence

verb To make something start working or become active.

• Press the button to activate the alarm system.
• The new phone must be activated before you can make calls.
• Enter the code on the card to activate your new account.

verb To make a chemical or biological process more reactive or effective.

• Warm water helps activate the yeast in the dough.
• Sunlight can activate certain chemicals in the plant's leaves.
• Some enzymes activate only when the temperature is high enough.