calcium
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calcium
- /ˈkælsi.əm/ UK, US
- /ˈkalʃɪəm/ South Asia
- /ˈkæl.ʃum/ Philippines
Where it comes from
Coined by British chemist Humphry Davy in 1808, from Latin calx (“lime, limestone”) because it occurs in limestone. By surface analysis, calc- + -ium.
noun calciums
- The chemical element (symbol Ca) with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks. 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 m
- An atom of this element.
Thesaurus
Closest in meaning: ca, magnesium, lime, carbide, zinc, hypochlorite, cyanamide, pantothenate, chalk, limestone, rock, cup, football, soccer, quicklime, calx
Translations
Every language
noun chemical element of atomic number 20
| Español | calcio |
|---|---|
| 한국어 | 칼슘 kalsyum |
| 日本語 | カルシウム karushiumu, 石灰素 sekkaiso |
| 中文 | 鈣 /钙 gài |
| हिन्दी | चूर्णातु cūrṇātu |
| Kiswahili | kalisiamu |
| Português | cálcio |
| Français | calcium |
| Deutsch | Kalzium, Calcium |
| Italiano | calcio |
| Ελληνικά | ασβέστιο asvéstio |
| Română | calciu |
| Русский | ка́льций kálʹcij |
| Tiếng Việt | canxi |
| العربية | كَلْسِيُوم kalsiyūm, كَالْسِيُوم kālsiyūm |
| עברית | סידן sidán, קלציום qáltzium |
Talk about this word "calcium." Wiktionary, via Micwyn, micwyn.com/word/calcium. Accessed 6 Nov. 2026. calcium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/calcium "calcium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/calcium.Cite this
@misc{calcium_2026,
title = {calcium},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/calcium},
urldate = {2026-11-06}
}
