英英字典: Ca
Overview of noun ca
The noun ca has 2 senses
- 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)
- California, Golden State, CA, Calif. -- (a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes)
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