Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ca
2 senses of ca
Sense 1
calcium, Ca, atomic number 20 -- (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)
=> metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Sense 2
California, Golden State, CA, Calif. -- (a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes)
INSTANCE OF=> American state -- (one of the 50 states of the United States)