Both Uses
instantaneous
in
The Hunt for Red October
(Auto-generated)
- Death is virtually instantaneous—but also it is quite painless," the doctor added consolingly.†
Chpt 1. *instantaneous = immediate (happening with no delay)
- Contact spread way the hell out—instantaneous return, sir!†
Chpt 17.
Definitions:
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(1)
(instantaneous) immediate (happening instantly with no delay)
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(2)
(meaning too rare to warrant focus) In physics, instantaneous can mean at a specific instant (an unmeasurably short time period) -- such as "instantaneous velocity".