Meaning of ORDER OF MAGNITUDE in English

ORDER OF MAGNITUDE

1. : order 1g(2)

two explosions of the same low order of magnitude

2. : a range of magnitude extending from some value to ten times that value

two quantities are of the same order of magnitude if one is no larger than ten times the other, but if one is one hundred times the other it is larger by two orders of magnitude

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.