deuterium

CEFRC1

/djuːˈtɪəɹɪəm/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A form of hydrogen with extra neutrons in its atoms.

  2. 02

    noun

    Extra detail

    An atom of this isotope.

Examples

  • The nuclear reactor uses deuterium to slow down the neutrons.

  • There were about 80 deuteriums for every million protiums, and virtually no tritium.

At a glance

Sits at C1 on the CEFR scale

Senses
3
Parts of speech
1
Synonyms
1

Also pronounced

  • /djuːˈtɪɹi.əm/
  • /dʒuːˈtɪəɹɪəm/

Deep Dive

noun

Extra meaning

  1. An isotope of hydrogen with one proton and one neutron in each atom - 21H.

More examples

In context

  • Heavy water is "heavy" because it contains deuterium.

Synonyms

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

Hydrogen has a heavier isotope called blank, which contains one extra neutron.

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

Nearby

Origin

noun

From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).