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Mach two
as in
Mach number
Synonyms
for Mach two
noun
sonic speed
Mach
Mach one
speed of sound
More words related to
Mach two
Mach number
noun.
sonic speed
Mach
Mach one
Mach two
speed of sound
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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