n.

1. 宽容，宽大[U][（+for/of/toward）]
   the government's tolerance of political dissent

   政府对不同政见的宽容

2. 忍耐，忍耐力[U][C][（+to/of）]
3. 【机】公差，容限[C][U]
   This machine part was built to a tolerance of 0.01 millimeters.

   这一机器部件的制造公差是0.01毫米。

4. 【医】耐受性，耐药量[C][U][（+to/of）]

n.

1. the ability, willingness, or capacity to tolerate something.
2. an allowable amount of variation of a specified quantity, especially in the dimensions of a machine or part.