Определение minus sign в Английский Язык Английский Язык словарь
The symbol − or - used to denote the operation of subtraction and to indicate that a number is negative
A minus sign is the sign - which is put between two numbers in order to show that the second number is being subtracted from the first one. It is also put before a number to show that the number is less than zero. a sign (-) showing that a number is less than zero, or that the second of two numbers is to be subtracted from the first plus sign
sign that shows the following quantity is to be subtracted, sign that shows a negative quantity, -
the symbol ∓, meaning "minus or plus", used alongside the plus-minus sign to show that a negative value is to be taken where the positive value is indicated by the plus-minus sign, and vice versa (as in (x ± 1) / (x ∓ 2), which means (x + 1) / (x - 2) and (x - 1) / (x + 2))
the symbol ±, meaning "plus or minus", used to indicate the precision of an approximation (as in "The result is 10 ± 0.3", meaning the result is somewhere between 10 - 0.3, that is, 9.7, and 10 + 0.3, that is, 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in "The roots of the equation x2 - 4 = 0 are ±2")