RHA is an acronym that may refer to: *

Rolled homogeneous armour Rolled homogeneous armour (RHA) is a type of vehicle armour made of a single steel composition hot-rolled to improve its material characteristics, as opposed to layered or cemented armour. Its first common application was in tanks. After World W ...

* Regional health authority (disambiguation) * Regional health authority (United Kingdom), a former type of administrative organisation of the NHS in England and Wales *

Religious Heritage of America The Religious Heritage of America (RHA) Foundation, originally named the Washington Pilgrimage, was founded by W. Clement Stone and Harold Dudley as a national interfaith organization in the U.S. The United States of America (USA), also ...

Residence hall association In the United States, a residence halls association (RHA) is a student-run university residence hall organization that is usually (but not always) the parent organization for individual hall governments. Their function is similar to a student gov ...

Rice husk ash Rice hulls or husks are the hard protecting coverings of grains of rice. In addition to protecting rice during the growing season, rice hulls can be put to use as building material, fertilizer, insulation material, or fuel. Rice hulls are part of ...

, a by-product from rice culture used as cement admixture *

Rivers and Harbors Act Rivers and Harbors Act may refer to one of many pieces of legislation and appropriations passed by the United States Congress since the first such legislation in 1824. At that time Congress appropriated $75,000 to improve navigation on the Ohio an ...

, any number of various acts of legislation of the United States Congress *

Road Haulage Association The Road Haulage Association Ltd (RHA) is a private company limited by guarantee dedicated to the interests of the road haulage industry. It is the only trade association in the United Kingdom dedicated solely to road haulage. As a trade associ ...

Royal Hibernian Academy The Royal Hibernian Academy of Arts (RHA) is an artist-based and artist-oriented institution in Ireland, founded in Dublin in 1823. Like many other Irish institutions, such as the Royal Irish Academy, the academy retained the word "Royal" after mo ...

, and the post-nominal letters used by its members *

Royal Horse Artillery The Royal Horse Artillery (RHA) was formed in 1793 as a distinct arm of the Royal Regiment of Artillery (commonly termed Royal Artillery) to provide horse artillery support to the cavalry units of the British Army. Although the cavalry link rem ...

RNA helicase Helicases are a class of enzymes that are vital to all organisms. Their main function is to unpack an organism's genetic material. Helicases are motor proteins that move directionally along a nucleic double helix, separating the two hybridized ...

, an enzyme Rha may refer to: * Rha, Netherlands, a population center in

Steenderen Steenderen is a former municipality and a village in the eastern Netherlands. It has been part of the new municipality of Bronckhorst since 2005. History It was first mentioned in 1046 as Stenere, and means "stone buildings on a sandy ridge". I ...

Rhamnose Rhamnose (Rha, Rham) is a naturally occurring deoxy sugar. It can be classified as either a methyl- pentose or a 6-deoxy- hexose. Rhamnose predominantly occurs in nature in its L-form as L-rhamnose (6-deoxy-L- mannose). This is unusual, since mo ...

, a monosaccharide *

Volga River The Volga (, ) is the longest river in Europe and the longest endorheic basin river in the world. Situated in Russia, it flows through Central Russia to Southern Russia and into the Caspian Sea. The Volga has a length of , and a catchment ...

(the ancient name of the river in Latin, from Ancient Greek Ῥᾶ, thought to be a borrowing from reconstructed Scythian ''*Rā'' or ''*Rahā'') *

Rha (Cyrillic) Rha (Ԗ ԗ; italics: ) is a letter of the Cyrillic script. It looks like a cross-digraph of the Cyrillic letters Er (Р р) and Kha (Х х), but it is not a composable ligature. Rha was used in the alphabet used in the 1920s fo ...

, a Cyrillic letter Letters from alphabets that can be called rha: * र, ड़', ढ़, र्ह —

Devanagari Devanagari ( ; in script: , , ) is an Indic script used in the Indian subcontinent. It is a left-to-right abugida (a type of segmental Writing systems#Segmental systems: alphabets, writing system), based on the ancient ''Brāhmī script, Brā ...

letters which can be called ''ra'', ''ṛa'' or ''rha''; * Ԗ — the 23rd letter ''rha'' («ра») in the older (1924−1927)

Moksha language Moksha (, ) is a Mordvinic languages, Mordvinic language of the Uralic languages, Uralic family, spoken by Mokshas, with around 130,000 native speakers in 2010. Moksha is the majority language in the western part of Mordovia. Its closest relativ ...

Cyrillic alphabet

See also