DOUBLE PRIME


Meaning of DOUBLE PRIME in English

noun Date: 1904 the symbol ″ used to distinguish arbitrary characters (as a, a′, and a″ ), to indicate a specific unit (as inches), or to indicate the second derivative of a function (as p″ or f″(x) )

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.