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> Okay, I give up. What's the difference?
> My Webster's New World (Third College Edition) defines both as
> without delay, immediate.
My opinion on this nuance (which the American Heritage
Dictionary would seem to support): "Instantly" has to do
with response time, "instantaneously" with duration. In
other words, I replied to this message instantly; then,
when I clicked the Send button, my thoughts were transmitted
instantaneously.
Followup to alt.usage.english or sci.physics, depending
on which of my statements you're quarrelling with. :)
Joe
"Just another personal opinion from the People's Republic of Berkeley"