Answer: THE WORD Instantaneous has 2 meanings one is in a form of an adjective the other is in physics
for adjective it means: occurring or done instantly.
example sentence:
"modern methods of instantaneous communication"
synonyms related to instantaneous:
antonyms:
IN PHYSICS IT MEANS: existing or measured at a particular instant.
EXAMPLE SENTENCE:
"measurement of the instantaneous velocity"
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Explanation: