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instant
instant messaging
instant-on
instant replay
instantaneous
instanter
instantiate
instantly
instanton
instar
instate
instauration
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instanton

in·stan·ton [ in stánton ] (plural in·stan·tons)


noun 
Definition:
 
theory involving universe before big bang: in theoretical cosmology, a mathematical solution, one form of which implies that the universe began as a pea-sized structure of space, time, matter, and energy before the big bang

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