calcium
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Calcium sample 
Some calcium-48. This isotope is desired for the manufacture of superheavy elements.
See also: Calcium
English
| Chemical element | |
|---|---|
| Ca | |
| Previous: potassium (K) | |
| Next: scandium (Sc) | |
Etymology
Coined by British chemist Humphry Davy in 1808, from Latin calx (“lime, limestone”) because it occurs in limestone.[1]
Pronunciation
Noun
calcium (countable and uncountable, plural calciums)
- The chemical element (Symbol Ca), with an atomic number 20. It is a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.
- 2013 September-October, Katie L. Burke, “In the News”, in American Scientist:
- Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: […] . The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light. The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of manganese atoms and a calcium atom.
- (countable) An atom of this element.
Derived terms
- bismuth strontium calcium copper oxide
- calcaemia
- calc-, calci-
- calcein
- calcemia
- calcic
- calcio-
- calcium-40
- calcium-42
- calcium-43
- calcium-44
- calcium-45
- calcium-46
- calcium-48
- calcium acetate
- calcium arsenate
- calcium benzoate
- calcium bilirubinate
- calcium cannon
- calcium carbide
- calcium carbonate
- calcium channel blocker
- calcium chloride
- calcium chromate
- calcium copper tetrasilicate
- calcium cyanamide
- calcium diglutamate
- calcium dihydrogen phosphate
- calcium dioxide
- calcium disodium EDTA
- calcium ferrocyanide
- calcium fluoride
- calcium formate
- calcium fumarate
- calcium gluconate
- calcium guanylate
- calcium hydride
- calcium hydroxide
- calcium hypochlorite
- calcium inosinate
- calcium lactate
- calcium light
- calciumlike
- calcium magnesium carbonate
- calcium magnesium silicate
- calcium malate
- calcium-montmorillonite
- calcium montmorillonite
- calcium nitrate
- calcium nitride
- calcium oxalate
- calcium oxide
- calcium permanganate
- calcium peroxide
- calcium phosphate
- calcium phosphide
- calcium platinate
- calcium polyphosphate
- calcium propionate
- calcium pyrophosphate dihydrate deposition disease
- calcium silicate
- calcium sodium polyphosphate
- calcium sorbate
- calcium sulfate, calcium sulphate
- calcium sulfide, calcium sulphide
- calcium sulphite
- calcium tartrate
- calcium tungstate
- calcrete
- caldesmon
- calfluxin
- calprotectin
- calretinin
- calsulfhydryl
- cinacalcet
- decacalcium
- dicalcium
- fosamprenavir calcium
- heptacalcium
- hexacalcium
- monocalcium
- nonacalcium
- noncalcium
- octacalcium
- organocalcium
- oxycalcium
- pentacalcium
- radiocalcium
- tetracalcium
- tricalcium
Related terms
Translations
chemical element of atomic number 20
|
See also
References
- ^ Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988
- Calcium on the British Royal Society of Chemistry's online periodic table
Further reading
Danish
Alternative forms
Noun
calcium
- calcium
Declension
Declension of calcium
| neuter gender |
Singular | |
|---|---|---|
| indefinite | definite | |
| nominative | calcium | calciummet |
| genitive | calciums | calciummets |
Dutch
| Chemical element | |
|---|---|
| Ca | |
| Previous: kalium (K) | |
| Next: scandium (Sc) | |
Etymology
Ultimately from English calcium. Coined by Humphry Davy.
Pronunciation
Noun
calcium n (uncountable)
Derived terms
Related terms
French
Pronunciation
Noun
calcium m (uncountable)
Related terms
Descendants
- Lingala: kalisu
Further reading
- “calcium”, in Trésor de la langue française informatisé , 2012.
Interlingua
Noun
calcium (uncountable)
Latin
Pronunciation
- (Classical Latin) IPA(key): /ˈkal.ki.um/,
- (modern Italianate Ecclesiastical) IPA(key): /ˈkal.t͡ʃi.um/,
Etymology 1
Form of calx.
Noun
calcium
Etymology 2
| Chemical element | |
|---|---|
| Ca | |
| Previous: kalium (K) | |
| Next: scandium (Sc) | |
Derived from calx, calcis (“chalk”) + -ium (chemical element suffix).
Noun
calcium n (genitive calciī); second declension
Declension
Second-declension noun (neuter).
| singular | plural | |
|---|---|---|
| nominative | calcium | calcia |
| genitive | calciī | calciōrum |
| dative | calciō | calciīs |
| accusative | calcium | calcia |
| ablative | calciō | calciīs |
| vocative | calcium | calcia |