Ro

Ro

1. (chemistry, obsolete) Obsolete chemical symbol for radon.

   Synonyms: Rn, (obsolete) Nt

Ro (uncountable)

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

• or-, Or., OR, -or, or, &/or, Or

Ro

1. Rōmaji transcription of ロ
2. Rōmaji transcription of ろ

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

• IPA^(key): /ʁoː/
• Rhymes: -oː

Ro f (uncountable) (Eupen)

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