But the delayed reaction - from expressing disappointment, to going on television 48 hours later to denounce the outcome as "bad for Britain"' - was not simply because he was irritated by the Eurosceptics, or was under pressure from some in his party for his initially lukewarm response.

BBC: The tensions between Cameron and Clegg over EU

For some infants, a milk allergy can't be missed - as soon as the baby has infant formula he develops hives and swelling, but for others the reaction is delayed and causes chronic symptoms.

BBC: Children with allergies 'being let down'

And there remains the possibility of a delayed reaction to current price levels, as consumers, particularly profligate Americans, turn to less thirsty cars and appliances.

ECONOMIST: Perils at the pump | The

The rising hostility seems a delayed reaction to a slow economic recovery and high unemployment.

WSJ: Americans Sour on Trade

But the reaction may be a delayed one.

ECONOMIST: The fallout from the bankruptcy of Lehman Brothers

The cost of all of this complexity is delayed reaction.

FORBES: JargonSpy

The beating of Mr Denny was a long delayed reaction to another brutal beating, in March 1991, also caught on video-tape: that of a black motorist, Rodney King, by four white police officers.

ECONOMIST: Trouble in paradise

Over the course of the last two months, we have repeatedly seen the credit market be a huge tell for equities, usually in a delayed reaction type of scenario.

FORBES: Market Twists And Shouts Disapproval Of Fed Action

"Some core Democratic groups -- chiefly women and lower-income Americans -- may be coming back, and since those groups are the ones most affected by health care, it's possible that is a delayed reaction to new law, " CNN Polling Director Keating Holland said.

CNN: STORY HIGHLIGHTS