What is the meaning of Tolerance?

The ability to endure pain or hardship; endurance.

The ability or practice of tolerating; an acceptance of or patience with the beliefs, opinions or practices of others; a lack of bigotry.

The ability of the body (or other organism) to resist the action of a poison, to cope with a dangerous drug or to survive infection by an organism.

The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement.

The ability of the body to accept a tissue graft without rejection.

To design or engineer a material to a specified tolerance.

tolerance (the ability or practice of tolerating)

tolerance (permitted deviation from standard)

Source: wiktionary.org