epsilonn.希腊语字母之第五字；[数]小的正数epsilon function函数epsilon expansion展开epsilon acidophilε嗜酸细胞, 戊细胞, 嗜洋红细胞epsilon production产生式epsilon alcoholismε型嗜酒epsilon-martensiteε马氏体epsilon-adjustableε可调epsilon neighborhood邻域epsilon neighbourhoodε邻域epsilon staphylolysin[医] ε-葡萄球菌溶血素