Speakur

Word Pronunciation & Dictionary

onium

/ˈoʊniəm/

Word Rarity Very rare

Frequency: Zipf frequency 1.07 in modern English

Syllables
oni-um
IPA
/ˈoʊniəm/
7
Scrabble Score
5
Letters
2
Syllables
5
Unique Chars

Meaning

noun

Any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.

noun

Any organic derivative of these compounds.

noun

The bound pair of a particle and its antiparticle.

Etymology

Etymology tree New Latin ammōniumbor. English ammonium English onium From ammonium.

Regional Pronunciation

  • American English: /ˈoʊniəm/

Inflected Forms

oniums (plural) onia (plural)

Derived Forms

hydronium leptonium

Phrases

-onium

Rhymes With

plutonium pandemonium polonium harmonium euphonium meconium pelargonium iconium pancuronium vecuronium hydronium diazonium

Questions

How do you pronounce onium?
The recorded pronunciation is /ˈoʊniəm/.
What does onium mean?
Any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.
Where does onium come from?
Etymology tree New Latin ammōniumbor. English ammonium English onium From ammonium.

How to pronounce onium

  1. Open the pronunciation page — Open the Speakur entry for “onium”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈoʊniəm/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “onium”.
  4. Repeat and practice — Say “onium” aloud, matching stress and vowels until it feels natural.