Definition, Synonyms, Translations of mileages by The Free Dictionary mile·age also mil·age (mī′lĭj) n. 1. Total length, extent, or distance measured or expressed in miles. 2. Total miles covered or traveled in a given time. 3. The amount of service, use, or wear estimated by miles used or traveled: This tire will give very good mileage. 4. The number of...

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