| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
sensitivity sen·si·tiv·i·ty (sěn'sĭ-tĭv'ĭ-tē)
n.
The quality or condition of being sensitive.
The capacity of an organ or organism to respond to a stimulus.
The proportion of individuals in a population that will be correctly identified when administered a test designed to detect a particular disease, calculated as the number of true positive results divided by the number of true positive and false negative results.