calcium

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English[edit]

Chemical element
Ca Previous: potassium (K)
Next: scandium (Sc)

Etymology[edit]

A New Latin word derived by Sir Humphry Davy in 1808, from Latin calx ("lime", "limestone") because it occurs in limestone.[1]

Pronunciation[edit]

Noun[edit]

Wikipedia has an article on:

Wikipedia

calcium (countable and uncountable, plural calciums) (Symbol: Ca)

  1. A chemical element, atomic number 20, that is an alkaline earth metal and occurs naturally as carbonate in limestone and as silicate in many rocks.
    • 2013 September-October, Katie L. Burke, “In the News”, 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.
  2. (countable) An atom of this element.

Derived terms[edit]

Related terms[edit]

Translations[edit]

References[edit]

  1. ^ Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988

External links[edit]

Wikisource
See also the 1911 Encyclopædia Britannica's article on:

See also[edit]


Dutch[edit]

Dutch Wikipedia has an article on:

Wikipedia nl

Chemical element
Ca Previous: kalium (K)
Next: scandium (Sc)

Pronunciation[edit]

Noun[edit]

calcium n (uncountable)

  1. calcium

French[edit]

French Wikipedia has an article on:

Wikipedia fr

Pronunciation[edit]

Noun[edit]

calcium m (uncountable)

  1. calcium

Related terms[edit]


Latin[edit]

Latin Wikipedia has an article on:

Wikipedia la

Pronunciation[edit]

Noun[edit]

calcium n (genitive calciī); second declension

  1. calcium
  2. genitive plural of calx

Inflection[edit]

Second declension neuter.

Number Singular Plural
nominative calcium calcia
genitive calciī calciōrum
dative calciō calciīs
accusative calcium calcia
ablative calciō calciīs
vocative calcium calcia