Definition of tolerances:
(n) :
(uncountable) The ability or practice of tolerating; an acceptance of or patience with the beliefs, opinions or practices of others; a lack of bigotry.
(n) :
(uncountable) 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.
(n) :
(uncountable) The ability of the body to accept a tissue graft without rejection.
(n) :
(countable) The variation or deviation from a standard, especially the maximum permitted variation in an engineering measurement.
(v) :
To design or engineer a material to a specified tolerance.
(n) :
(uncountable, obsolete) The ability to endure pain or hardship; endurance.