| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
tolerance tol·er·ance (tŏl'ər-əns)
n.
Decreased responsiveness to a stimulus, especially over a period of continued exposure.
The capacity to absorb a drug continuously or in large doses without adverse effect; diminution in the response to a drug after prolonged use.
Physiological resistance to a poison.
Acceptance of a tissue graft or transplant without immunological rejection.
Unresponsiveness to an antigen that normally produces an immunological reaction.
The ability of an organism to resist or survive infection by a parasitic or pathogenic organism.