that is allowed, especially by law or by a set of rules （法律、规章等）允许的，承认的，容许的 It’s not allowable under union rules. 根据工会规则，这是不允许的。 What is the maximum allowable number of users on the network? 网络上允许的最大用户数是多少？
- (British English, specialist)
allowable amounts of money are amounts that you do not have to pay tax on 可免税的（钱款部分） allowable deductions/contributions/losses 允许的扣除/贡献/亏损