calcium

CEFRB2

/ˈkælsi.əm/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A mineral needed for strong bones and teeth.

  2. 02

    noun

    Extra detail

    An atom of this element.

Examples

  • Beryllium, magnesium, calcium, strontium, barium and radium are alkaline earth metals.

  • Calcium is absent from his diet.

At a glance

Sits at B2 on the CEFR scale

Senses
4
Parts of speech
1
Citations
2

Also pronounced

  • /ˈkæl.ʃum/
  • /ˈkalʃɪəm/

Deep Dive

noun

Extra meanings

  1. The chemical element with atomic number 20: a soft, silvery-white alkaline earth metal which occurs naturally as carbonate in limestone and as silicate in many rocks.

  2. 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.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

Milk is rich in blank, which is essential for strong bones and teeth.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

Latin -umder. English -ium English calcium Coined by British chemist Humphry Davy in 1808, from Latin calx (“lime, limestone”) because it occurs in limestone. By surface analysis, calc- + -ium.