Selecting a random record to play will get certain reactions out of the record player.

The figure demonstrates the ability to use different labels to determine the flux through a certain reaction.

You took a cage of monkeys and injected them with drugs which, in theory, were supposed to give a certain reaction.

Besides, just because one person has a certain reaction doesn't necessarily mean that someone else will react in the same way.

I am going to help you develop certain reactions until they are instinctive.

She expected from all people certain conventional reactions to life.

In this way, the tickling can continue to the point where a certain reaction is revealed.

Also absent is a certain reaction from people I meet, friends and even old teaching buddies.

Helium-7 and helium-8 are created in certain nuclear reactions.

It is also used as a catalyst for certain reactions.