|
|
| cal·ci·um [ kálssee əm ] |
noun |
|
| Definition: |
| |
silver-white metallic element: a soft silvery white element that is an alkaline earth metal constituting about three percent of the Earth's crust. It is essential to the formation of bones and teeth. Symbol Ca
|
| [Early 19th century. < Latin calc-, stem of calx (see calx)] |
|