DEFINITION of 'Eurozone'. A geographic and economic region that consists of all the European Union countries that have fully incorporated the euro as their national currency. Also referred to as euroland.
variation. n. 1. the act, process, condition, or result of changing or varying; diversity. 2. an instance of varying or the amount, rate, or degree of such change. 3. something that differs from a standard or convention.arâ¢iâ¢aâ¢tion. 1. the act or process of varying: prices subject to variation. 2. an instance of this: a variation in quality. 3. amount of change: a temperature variation of 20Â°. 4. a different form of something.
Definition: In genetic variation, the genes of organisms within a population change. Gene alleles determine distinct traits that can be passed on from parents to offspring. Gene variation is important to the process of natural selection.