RiemannPertaining to German mathematician Bernhard Riemann.
riemannianOf or relating to the work, or theory developed from the work, of German mathematician Bernhard Riemann, especially to Riemannian manifolds and Riemannian geometry.
rifTo lay off from work due to a reduction in force.
rifabutinA bactericidal antibiotic, primarily used in the treatment of tuberculosis, whose effect is based on blocking the DNA-dependent RNA-polymerase of the bacteria.
rifacimentoA literary work or musical composition recast to adapt it to a change in the circumstances of the time.
rifalazilAn antibiotic substance that kills bacterial cells by blocking off the β-subunit in RNA polymerase.
rifampicinA reddish-brown semisynthetic antibiotic C₄₃H₅₈N₄O₁₂ obtained from the bacterium Amycolaptosis mediterranei, used chiefly to treat tuberculosis, leprosy, and asymptomatic carriers of meningococci.
rifamycinAny of a group of antibiotics, a subclass of the ansamycins, which are synthesized either naturally by the bacterium Amycolatopsis mediterranei or artificially.
rifapentineAn antibiotic drug used in the treatment of tuberculosis.
rifaximinA semisynthetic antibiotic based on rifamycin.
rifeWidespread, common, prevalent, current (mainly of unpleasant or harmful things).
RiffianA member of a Berber ethnic group who inhabit the Rif in northern Morocco.
riffingThe act of one who riffs; an improvisation.
riffleA swift, shallow part of a stream causing broken water.
rifflerA mechanical device consisting of a metal box with a series of vertical slats through which material is poured and randomly divided into two samples; this process is repeated to obtain a small representative sample of a bulk material.
RigdoniteA member of the Latter-day Saint movement who accepted Sidney Rigdon as the successor in the church presidency to the movement's founder, Joseph Smith Jr.
RigelA blue supergiant star in the constellation Orion; Beta (β) Orionis. The seventh brightest star in the night sky.
RigelianOf or relating to the star Rigel in the constellation Orion.
riggingDress; tackle; especially (nautical), the ropes, chains, etc., that support the masts and spars of a sailing vessel, and serve as purchases for adjusting the sails, etc.
RighaleFormer name of Ryall: a village in south Worcestershire, England.
rightDesignating the side of the body which is positioned to the east if one is facing north, the side on which the heart is not located in most humans. This arrow points to the reader's right: →