RH
Encyclopedia
RH, Rh, rH, or rh can stand for:
- Riemann hypothesisRiemann hypothesisIn mathematics, the Riemann hypothesis, proposed by , is a conjecture about the location of the zeros of the Riemann zeta function which states that all non-trivial zeros have real part 1/2...
, an important unsolved problem in mathematics - Ryan's HopeRyan's HopeRyan's Hope is an American soap opera, revolving around 13 years of trials and tribulations within a large Irish American family in the Riverside district of New York City. It aired from July 7, 1975 to January 13, 1989 on ABC...
, a soap opera - Rhesus factor, a classification to describe blood types in humans
- RhodiumRhodiumRhodium is a chemical element that is a rare, silvery-white, hard and chemically inert transition metal and a member of the platinum group. It has the chemical symbol Rh and atomic number 45. It is composed of only one isotope, 103Rh. Naturally occurring rhodium is found as the free metal, alloyed...
, a chemical element - Republic Express AirlinesRepublic Express AirlinesRepublic Express Airlines is a cargo airline based in Jakarta, Indonesia. It operates domestic and regional cargo services. Republic Express Airlines is listed in category 2 by Indonesian Civil Aviation Authority for airline safety quality....
IATA airline designator - Right-handed
- Reinhard HeydrichReinhard HeydrichReinhard Tristan Eugen Heydrich , also known as The Hangman, was a high-ranking German Nazi official.He was SS-Obergruppenführer and General der Polizei, chief of the Reich Main Security Office and Stellvertretender Reichsprotektor of Bohemia and Moravia...
, a chief of the Reich Security Main Office - Rh (digraph)
- Red HatRed HatRed Hat, Inc. is an S&P 500 company in the free and open source software sector, and a major Linux distribution vendor. Founded in 1993, Red Hat has its corporate headquarters in Raleigh, North Carolina with satellite offices worldwide....
, a GNU/Linux operating system - Robin HoodRobin HoodRobin Hood was a heroic outlaw in English folklore. A highly skilled archer and swordsman, he is known for "robbing from the rich and giving to the poor", assisted by a group of fellow outlaws known as his "Merry Men". Traditionally, Robin Hood and his men are depicted wearing Lincoln green clothes....
- The RH postal area in the United Kingdom Royal Mail postcode system
- Rumbling Hearts, an anime
- Rubeus HagridRubeus HagridRubeus Hagrid is a fictional character in the Harry Potter book series written by J. K. Rowling. Hagrid is introduced in Harry Potter and the Philosopher's Stone as a half-giant who is the gamekeeper and Keeper of Keys and Grounds of Hogwarts, the primary setting for the first six novels...
, a character in the Harry Potter series - Releasing hormoneReleasing hormoneA releasing hormone or releasing factor is a hormone whose main purpose is to control the release of another hormone. The main releasing hormones secreted by the hypothalamus are:*Thyrotropin-releasing hormone ,...
- Rush hourRush hourA rush hour or peak hour is a part of the day during which traffic congestion on roads and crowding on public transport is at its highest. Normally, this happens twice a day—once in the morning and once in the evening, the times during when the most people commute...
, the two parts of the day with busy traffic caused by commuting - Rush Hour (film series)Rush Hour (film series)The Rush Hour film series is a series of martial arts/action-comedy films starring Jackie Chan and Chris Tucker, directed by Brett Ratner, and distributed by New Line Cinema...
- Reproductive HealthReproductive healthWithin the framework of the World Health Organization's definition of health as a state of complete physical, mental and social well-being, and not merely the absence of disease or infirmity, reproductive health, or sexual health/hygiene, addresses the reproductive processes, functions and system...
- Respiratory Humidifier
- Rydberg ConstantRydberg constantThe Rydberg constant, symbol R∞, named after the Swedish physicist Johannes Rydberg, is a physical constant relating to atomic spectra in the science of spectroscopy. Rydberg initially determined its value empirically from spectroscopy, but Niels Bohr later showed that its value could be calculated...
, the Rydberg Constant for Hydrogen - The Right HonourableThe Right HonourableThe Right Honourable is an honorific prefix that is traditionally applied to certain people in the United Kingdom, Canada, Australia, New Zealand, the Anglophone Caribbean and other Commonwealth Realms, and occasionally elsewhere...
- RadioheadRadioheadRadiohead are an English rock band from Abingdon, Oxfordshire, formed in 1985. The band consists of Thom Yorke , Jonny Greenwood , Ed O'Brien , Colin Greenwood and Phil Selway .Radiohead released their debut single "Creep" in 1992...
, an English alternative rock, electronica and experimental music band - Ron HowardRon HowardRonald William "Ron" Howard is an American actor, director, and producer. He came to prominence as a child actor, playing Opie Taylor in the sitcom The Andy Griffith Show for eight years, and later the teenaged Richie Cunningham in the sitcom Happy Days for six years...
, an actor - Relative HumidityRelative humidityRelative humidity is a term used to describe the amount of water vapor in a mixture of air and water vapor. It is defined as the partial pressure of water vapor in the air-water mixture, given as a percentage of the saturated vapor pressure under those conditions...
, a term used to describe the amount of water vapor that exists in a gaseous mixture of air and water vapor