From relative(“connected to or depending on something else”) + -ity(suffix forming nouns from adjectives where the nouns refer to the properties, qualities, or states described by the adjectives). Sense 2.1 (“reliance of the nature of physical phenomena on the relative motion between an observer and the thing observed”) is a translation of GermanRelativität(“relativity”) used in the works of the German-American theoretical physicistAlbert Einstein (1879–1955).
reliance of the nature of physical phenomena on the relative motion between an observer and the thing observed, as developed by Albert Einstein in two theories
evaluation of the similarities and differences between things — seecomparison
difference in position or status between things — seedisparity
difference in pay or positions between different employees in a business, or between different businesses — See also translations atdifferential
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