“Mach” or “Mock”—Which to use?

“Mach” or “Mock”

Overview

mach / mock are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇

Definitions

mach: (noun) Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916).

mock: (noun) the act of mocking or ridiculing. (verb) treat with contempt. (verb) imitate with mockery and derision. (adjective) constituting a copy or imitation of something.

Pronunciation

mach: m·AA·k

mock: m·AA·k

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Examples in Context

Examples of “mach”

…fly an airplane faster than Mach 3 (2,317 mph or 3,729…
In 1989, the Mach One high-speed chairlift opened.
…exceed the speed of sound (Mach 1) because of the prohibitive…
…has better fuel economy at Mach 0.86 than at 0.83, and…
…fly the supersonic bomber at Mach 3 for 30 minutes on…
…shock can have is the Mach angle , where is the…
…fastest speed he reached was Mach 1.4 in a French Mirage.
…with high efficiency as the Mach number increases from takeoff to…
…its maximum design speed of Mach 0.96, (its design cruise speed…
…skin friction heating of its Mach 3 performance, the entire missile…

Examples of “mock”

…under the leadership of a mock veterinarian, played by López himself.
…has later started producing a mock sequel that sarcastically pretends to…
…also sent its members a "mock ballot paper" instructing them to…
…in the film, removing the mock marriage and honeymoon between Lennox…
…within narrations, is able to mock the limitations of the pastoral…
…at home plate, take a mock swing at a nonexistent pitch,…
Semi-Detached Mock Tudor (2002)
…later to deny God and mock the priest before blinding him…
…under his Gillberg gimmick, to mock Goldberg.
Thomas Mock (1929–1958)

(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)

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