| / English Dictionary |
ATOMIC NUMBER 20
I. (noun)
Sense 1
Meaning:
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
Synonyms:
Classified under:
Hypernyms ("atomic number 20" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Hyponyms (each of the following is a kind of "atomic number 20"):
calcium ion; factor IV (ion of calcium; a factor in the clotting of blood)
Holonyms ("atomic number 20" is a substance of...):
fluor; fluorite; fluorspar (a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine)
gypsum (a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris))
burnt lime; calcined lime; calcium oxide; calx; fluxing lime; lime; quicklime; unslaked lime (a white crystalline oxide used in the production of calcium hydroxide)
limestone (a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals)
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