limit的名词形式是什么

limit本身就可以作名词，其另一个名词是limitation。

1. limitation n.（1）the act or process of controlling or reducing something限制，制约例如：Any limitation to the king's power could be permanent.对国王权利的任何限制都有可能是永久性的。

（2）qualities that stop someone or something from being as good or as effective as you wish they could be某人或某事物的局限性，不足之处例如：Despite the limitations of the survey, it did suggest some general trends.这次调查尽管有局限性，但也确实说明了一些普遍的倾向。

（3）a rule or condition that stop something from increasing beyond a particular point规定，限制例如：a limitation of the number of hours children can work对儿童学习时间的限制The new law imposes in limitations on campaign contributions.新的法律给竞选捐款规定了限额。

2. limit n.（1）the greatest or least amount, number, speed, etc. that is allowed限度，极限例如：a 55 MPH speed limit55英里的时速限制There is no age limit for applicants.申请者不受年龄限制。

（2）the greatest possible amount of something that can exist or be obtained现有的或可获取的最大量，极限例如：the limits of human knowledge人类知识的极限There's no limit to what you can do if you try.如果你努力的话，成就无可限量。

（3）the furthest point or edge of a place of that must not be passed常指不可以通过的界限，边界例如：He had not been outside the limits of the prison walls for 20 years.他已经20年没出过监狱高墙了。Los Angeles city limits洛杉矶的社区周围