Ro

Symbol

Ro

1. (obsolete) radon; Obsolete form of Rn (“radon”). (element 86)
2. (obsolete) radon; Obsolete form of Rn (“radon”). (radon-222)

Proper noun

Ro (uncountable)

1. An a priori international auxiliary language created by Edward Powell Foster beginning in 1904.

Anagrams

• or-, Or., OR, -or, or, &/or, Or

Romanization

Ro

1. Rōmaji transcription of ロ Russian, Russian, Russo- (abbreviation)
2. Rōmaji transcription of ろ Russian, Russian, Russo- (abbreviation)

Etymology

From Middle Dutch rowe, rouwe, from Old Dutch *ruowa, from Proto-West Germanic *rōu (“calm, rest”).

Pronunciation

• IPA^(key): /ʁoː/
• Rhymes: -oː

Noun

Ro f (uncountable) (Eupen)

1. calm, relative quietness (absence of loud sounds)
2. calmness, serenity
3. rest, repose