different between onium vs omnium

English

Etymology 1

From ammonium.

Noun

onium (plural oniums)

1. (chemistry) any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families
2. (chemistry) any organic derivative of these compounds

Translations

See also

• ammonium
• arsonium
• bismuthonium
• bromonium
• chloronium
• fluoronium
• iodonium
• oxonium
• phosphonium
• selenonium
• stibonium
• sulfonium / sulphonium
• telluronium

Etymology 2

See Muonium#Nomenclature.

Noun

onium (plural onia)

1. (physics) the bound pair of a particle and its antiparticle

Derived terms

• -onium

Related terms

• positronium
• muononium
• tauonium
• toponium

Translations

English

Etymology

From Latin omnium (literally “of all”), genitive plural of omnis (“all, every”)

Pronunciation

• IPA^(key): /??m.ni.?m/, /??m.nj?m/

Noun

omnium (plural omniums)

1. (cycling) A multiple race event in track cycling. Historically the omnium has had a variety of formats. Currently it consists of the following six events: flying lap, points race, elimination, individual pursuit, scratch race, and time trial.
2. (finance) The aggregate value of the different stocks in which a loan to government is usually funded.

   (Can we find and add a quotation of M'Culloch to this entry?)

Related terms

• omnibus

Anagrams

• immuno-

French

Pronunciation

• IPA^(key): /?m.nj?m/

Noun

omnium m (plural omniums)

1. (sports) an open (open sports tournament)
2. (cycling) an omnium (a multi-event track cycling race)

Further reading

• “omnium” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Adjective

omnium

1. genitive masculine plural of omnis
2. genitive feminine plural of omnis
3. genitive neuter plural of omnis

Noun

omnium n pl

1. genitive of omnia