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mach
1[mahk]
Mach
2[mahk, mah
noun
Ernst 1838–1916, Austrian physicist, psychologist, and philosopher.
mach.
3abbreviation
machine.
machinery.
machinist.
Mach
1/ æ /
noun
short for Mach number
Mach
2/ max /
noun
Ernst (ɛrnst). 1838–1916, Austrian physicist and philosopher. He devised the system of speed measurement using the Mach number. He also founded logical positivism, asserting that the validity of a scientific law is proved only after empirical testing
Mach
Austrian physicist and philosopher who experimented with supersonic projectiles and the flow of gases, obtaining early photographs of shock waves and gas jets. His work laid an important foundation for later developments in the science of projectiles and aeronautical design, and the Mach number and Mach bands were named for him.
Example Sentences
"The passing of Proposition 139 speaks to the broad support — across the entire state, across all political parties, and across voters of all different backgrounds — for reproductive freedom," Erika Mach, Planned Parenthood Arizona's chief external affairs officer, told Salon.
"People want the freedom to make medical decisions with their doctor and family, without government involvement," Planned Parenthood Arizona's Erika Mach told Salon.
Mach told Salon that organizers were "thrilled" when Arizonans "made their voices heard" at the ballot box.
There is no way of counteracting this weapon, which attacks targets at a speed of 10 Mach, or 2.5-3km/s, he said.
A longtime punk rocker in his homeland, he formed the band Mach 1.67 with filmmaker Sogo Ishii in 1996 and later played in the bands Peace Pill and Safari.
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When To Use
A Mach number is the ratio of an object's speed in a given medium to the speed of sound in that medium.Mach 1, then, is the speed of sound, around 761 mph at sea level on a standard day. The term is also used as a metaphor for high speeds more generally.How to pronounce Mach 1[ mahk wuhn ]
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