1. A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
   - calcium, atomic number 20

1. A state in the western United States on the Pacific; the 3rd largest state; known for earthquakes
   - California, Golden State, Calif.

Derived forms: CAs, Cas

Type of: American state, metal, metallic element

Part of: America, burnt lime, calcined lime, calcium oxide, calx, fluor, fluorite, fluorspar, fluxing lime, gypsum, lime, limestone, 'Merica, quicklime, Southwest, southwestern United States, the States, U.S., U.S.A., United States, United States of America, unslaked lime, US, USA

Encyclopedia: Ca, C'est L'Amour