Mach number

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Related to Mach 2: Concorde

Mach num·ber

(mahk),
a number representing the ratio between the speed of an object moving through a fluid medium, such as air, and the speed of sound in the same medium.

Mach,

Ernst Waldfried Josef Wenzel, Austrian scientist, 1838-1916.
Mach band - a relatively bright or dark band.
Mach number - the ratio between the speed of an object moving through a fluid medium and the speed of sound in the same medium.
References in periodicals archive ?
The Mach 2 TCP/IP Router now makes it much easier for smaller LAN's to directly connect to the Internet, and immediately begin to enjoy the popular "surfing" utilities such as Mosaic, NetScape, Gopher, FTP, Telnet, and others.
By running natively in protected mode, the Mach 2 TCP/IP Router can take full advantage of all available extended memory, and maintains complete control over the CPU's interrupt system, even when mode switching to real mode, resulting in a considerable performance advantage compared to normal DOS-based virtual mode operation.
By using the Mach 2 TCP/IP Router on a standard PC and modem, many of the headaches of configuring a hardware router, which often use cryptic, Unix-like commands, are avoided.
An optional Domain Module will also be available for the Mach 2 TCP/IP Router.
The upcoming Wright anniversary had weighed on his mind, Yeager wrote: ``The television networks had scheduled special programs about Crossfield and his Mach 2 flight.