The explosion was due to sudden reaction between sensitive chemicals.

A moment later Monty noticed a sudden curious reaction on her face.

My nipples grew hard, and there was nothing I could do to hide the sudden reaction.

Louis was startled by his body's sudden and pronounced reaction.

He wanted to increase his pace but sternly held himself to a rhythm that would prevent sudden, unexpected reactions.

With the discovery came a sudden nervous reaction that sent him into a cold sweat.

Well, the economic effects have been more of a slow burn than a sudden reaction.

But, even ere he arrived, a sudden reaction had taken place.

The sudden reaction after that long nervous strain left us both mute for a time.

It was outrageous, but somehow the man's sudden reaction had excited her snore than ever.