| Lime
1. An alkaline earth oxide occurring in grayish white masses (quicklime); on exposure to the atmosphere it becomes converted into calcium hydrate and calcium carbonate (air-slaked lime); direct addition of water to calcium oxide produces calcium hydrate (slaked lime). 2. Fruit of the lime tree, Citrus medica (family Rutaceae), which is a source of ascorbic acid and acts as an antiscorbutic agent. | |