What is "rha"

RHA is an acronym that may refer to:

• Regional health authority (disambiguation)
• Religious Heritage of America
• Rental Housing Association of Puget Sound
• Residence Hall Association
• Rice husk ash, a by-product from rice culture used as cement admixture
• Rivers and Harbors Act, any number of various acts of legislation of the United States Congress
• Road Haulage Association
• Rolled homogeneous armour
• Royal Hibernian Academy
• Royal Horse Artillery
• RNA helicase, an enzyme

Rha may refer to:

• Rha, Netherlands, a population center in Steenderen
• Rhamnose, a monosaccharide
• The Ancient Greek rendering Ῥᾶ of the Scythian hydronym *Rā or *Rahā, the ancient name for the Volga River
• Rha (Cyrillic), a Cyrillic letter

Letters from alphabets that can be called rha:

• र, ड़', ढ़, र्ह — Devanagari letters which can be called ra, ṛa or rha;
• Ԗ — the 23rd letter rha («ра») in the older (1924−1927) Moksha language Cyrillic alphabet

Rha (Ԗ ԗ; italics: Ԗ ԗ) is a letter of the Cyrillic script. It looks like a cross-digraph of the Cyrillic letters Er and Kha , but it is not a composable ligature.

Rha was used in the alphabet of the Moksha language, where it represented the voiceless alveolar trill .