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American pronunciation of 

simultaneous

view main entry for simultaneous adjective  /ˌsaɪm(ə)lˈteɪniəs/
British English pronunciation: simultaneous
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derived words

simultaneity

  /ˌsaɪm(ə)ltəˈneɪəti/ noun [uncountable]
British English pronunciation: simultaneity
Click to listen to the pronunciation of simultaneity

simultaneously

  adverb
British English pronunciation: simultaneously
Click to listen to the pronunciation of simultaneously

This is the American English pronunciation of simultaneous.

View British English pronunciation of simultaneous.

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