|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
qualitative analysis qual·i·ta·tive analysis (kwŏl'ĭ-tā'tĭv)
The testing of a substance or mixture to determine the characteristics of its chemical constituents.