atomic number 20, n.
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
<noun.substance> freq. cnt.: 3 freq. cnt.: 3
Ca atomic number 20 calcium
semantic pointers
hypernym
substance holonym
calcium oxide, quicklime, lime, calx, calcined lime, fluxing lime, unslaked lime, burnt lime
limestone
gypsum
fluorite, fluorspar, fluor
hyponym