English Online Dictionary. What means calcium? What does calcium mean?
Coined by British chemist Humphry Davy in 1808, from Latin calx (“lime, limestone”) because it occurs in limestone.
- (US) enPR: kăl′sē-əm, IPA(key): /ˈkælsi.əm/
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.
- (countable) An atom of this element.
- Calcium on the British Royal Society of Chemistry's online periodic table
Ultimately from English calcium. Coined by Humphry Davy.
- IPA(key): /ˈkɑl.siˌʏm/
- Hyphenation: cal‧ci‧um
calcium n (uncountable)
- calcium [from early 19th c.]
- IPA(key): /kal.sjɔm/
calcium m (uncountable)
- Lingala: kalisu
- “calcium” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
- (Classical) IPA(key): /ˈkal.ki.um/, [ˈkäɫ̪kiʊ̃ˑ]
- (Ecclesiastical) IPA(key): /ˈkal.t͡ʃi.um/, [ˈkɑl̠ʲt͡ʃium]
Form of calx.
- genitive plural of calx
Derived from calx, calcis (“chalk”) + -ium (chemical element suffix).
calcium n (genitive calciī); second declension
- (New Latin) calcium
Second-declension noun (neuter).