# Mean+average

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**average**— 1. noun the national average Syn: mean, median, mode, norm, standard, rule, par 2. adjective 1) the average temperature Syn: mean, median, modal 2) a wo …112

**mean effective pressure: (MEP)**— The average pressure of the burning fuel on the power stroke subtracted by the average pressure on the other three strokes. Pressure is in pounds per square inch. Average pressure on a surface when a changing pressure condition exists. Also see… …113

**Mean curvature**— In mathematics, the mean curvature H of a surface S is an extrinsic measure of curvature that comes from differential geometry and that locally describes the curvature of an embedded surface in some ambient space such as Euclidean space. The… …114

**mean**— {{11}}mean (adj.1) low quality, c.1200, shared by all, from imene, from O.E. gemæne common, public, general, universal, shared by all, from P.Gmc. *ga mainiz possessed jointly (Cf. O.Fris. mene, O.S. gimeni, M.L.G. gemeine, M.Du. gemene, Du.… …115

**mean**— arithmetic mean; n. the average of a group of observations calculated by adding their values and dividing by the number in the group. When one or more observations are substantially different from the rest, which can influence the arithmetic mean …116

**mean**— /mi:n/ adjective average ● The mean annual increase in sales is 3.20%. ■ noun the average or number calculated by adding several quantities together and dividing by the number of quantities added ● Unit sales are over the mean for the first… …117

**Mean time to repair**— For other uses, see MTTR (disambiguation). Mean time to repair (MTTR) is a basic measure of the maintainability of repairable items. It represents the average time required to repair a failed component or device.[1] Expressed mathematically, it… …118

**average**— Synonyms and related words: Everyman, Public, accustomed, amidships, as a rule, average man, average out, avoid extremes, balance, banal, besetting, bisect, bourgeois, center, central, common, common man, common run, commonplace, conventional,… …119

**average**— av|er|age1 [ æv(ə)rıdʒ ] noun *** 1. ) count or uncount the amount, level, standard, etc. that is typical of a group of people or things: Incomes here are nowhere near the national average. above/below average: Her performance in the test was way …120

**average**— 01. The [average] child watches almost 3 hours of television per day. 02. Richard is an above [average] badminton player. 03. The cost [averages] out to about $5 per person. 04. The [average] price of houses in Seattle has risen by almost 10%… …