(astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth

the property of relative size or extent (whether large or small)

a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10

relative importance

perfect or complete or pure

complete and without restriction or qualification; sometimes used informally as intensifiers

not capable of being violated or infringed

expressing finality with no implication of possible change