Breadcrumb Home > Dictionary > Index A arithmetic mean: Meaning and Definition of Find definitions for: ar'ithmet'ic mean' Pronunciation: [key] — Statistics. Statistics. the mean obtained by adding several quantities together and dividing the sum by the number of quantities:Also called the arithmetic mean of 1, 5, 2, and 8 is 4. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arithmetic/logic unit arithmetic progression TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language