Top definition
a speed relative to the speed of sound Mach number is a ratio of the speed of a body (aircraft) to the speed of sound)
Mach is named after Ernst Mach an Austrian philosopher and physicist.
Mach 1 is about 717mph Mach 2 is twice that. The speed of sound varies due to atmospheric conditions and density of the air.
Mach is named after Ernst Mach an Austrian philosopher and physicist.
Mach 1 is about 717mph Mach 2 is twice that. The speed of sound varies due to atmospheric conditions and density of the air.
by Snipergod87 May 11, 2006
2
As the plane reached Mach 3, Mrs Kelly watched from the ground and exlaimed, "Mach, this haggas is greht!"
by HuFlungPu May 25, 2008
3
everything,
It is the greatest thing ever,
often it is used as a prefix, followed by the suffix, Hach.
It is the greatest thing ever,
often it is used as a prefix, followed by the suffix, Hach.
by Mach Hacher 1 August 17, 2011
4
His dinner jacket sucked, so he hiked up the sleeves of them to reveal a wrist watch that was totally mach.
by Maestro Max February 09, 2005
6
v. To own completely, derived from the image of an F-18 Fighter Jet overtaking a Cessna. Never spelled with an "e" in the past tense, the e is replaced with an apostrophe.
by Geoff T. February 21, 2008