Mach, Ernst Mach
(noun) Austrian physicist and philosopher who introduced the Mach number and who founded logical positivism (1838-1916)
Source: WordNet® 3.1
Mach
Ernst Mach, Austrian physicist 1838 - 1916.
Mach (uncountable)
(physics) a ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds; the Mach number.
• Never plural.
• Always precedes the number, as in the example above.
• ACMH, Cham, HAMC, HMAC, cham
Source: Wiktionary
26 April 2024
(noun) a viewpoint toward a city or other heavily populated area; “the dominant character of the cityscape is it poverty”
Contrary to popular belief, coffee beans are not technically beans. They are referred to as such because of their resemblance to legumes. A coffee bean is a seed of the Coffea plant and the source for coffee. It is the pit inside the red or purple fruit, often referred to as a cherry. Just like ordinary cherries, the coffee fruit is also a so-called stone fruit.
