n.
Function: adjective
Date: 15th century
1 : introducing a subordinate clause qualifying an expressed or implied antecedent <a relative pronoun> also : introduced by such a connective <a relative clause>
2 : RELEVANT , PERTINENT <matters relative to world peace>
3 : not absolute or independent : COMPARATIVE <the relative isolation of life in the country>
4 : having the same key signature ― used of major and minor keys and scales
5 : expressed as the ratio of the specified quantity (as an error in measuring) to the total magnitude (as the value of a measured quantity) or to the mean of all the quantities involved