delayed reaction n.
An allergic or immune response that begins 24 to 48 hours after exposure to an antigen to which the individual has been sensitized.
It was a delayed reaction and played out in slow motion like those bad TV scenes.
Disagreement between sheriffs ignited a delayed reaction to a 2011 Iowa law that allows the blind to get concealed-carry permits.
When he has thoroughly learned to respond in this way, the "delayed reaction" experiment begins.
The words were no sooner out than Jan had a delayed reaction, too.
He has a delayed reaction compared to what the President did.
What the animal psychologists have called the delayed reaction is a very instructive example of preparation.