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TAKE THE QUIZtransonic
adjective
tran·son·ic
tran(t)s-ˈsä-nik
tran-ˈsä-
variants
or less commonly transsonic
1
: being or relating to speeds near that of sound in air or about 741 miles (1185 kilometers) per hour at sea level and especially to speeds slightly below the speed of sound at which the speed of airflow varies from subsonic to supersonic at different points along the surface of a body in motion relative to the surrounding air
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Merriam-Webster unabridged
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- Often used to describe “the march of time,” what does inexorable mean?


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