average variable costglossary / AVERAGE VARIABLE COST average variable cost. The average cost per unit of output, arrived at by dividing the total cost (fixed cost and variable cost) by output. See COST (1). Cf. LONG-RUN INCREMENTAL COST. 词条贡献者 双语律师Terence,国际知名法学院法律专业,擅长翻译各类与油气、资源与采矿业相关的法律文件。