bn:00052547n
Noun Concept
Categories: Aerodynamics, Dimensionless numbers of fluid mechanics, Airspeed, Fluid dynamics
EN
Mach number  M  Ma  Mach  Mach 5
EN
The ratio of the speed of a moving body to the speed of sound WordNet 3.0
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EN
The ratio of the speed of a moving body to the speed of sound WordNet 3.0 & Open English WordNet
The Mach number, often only Mach, is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. Wikipedia
A measure of speed compared to the speed of sound Wikipedia Disambiguation
Ratio of speed of object moving through fluid and speed of sound Wikidata
The ratio of the velocity of a body to that of sound in the surrounding medium. Wiktionary
WordNet 3.0 & Open English WordNet
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Wikidata Alias
EN
M, Ma, Mach