Words starting with R

rubiceneA particular polycyclic aromatic hydrocarbon
rubiclineA triclinic-pinacoidal colorless mineral containing aluminum, oxygen, potassium, rubidium, and silicon.
rubicolousAttached to brambles, possibly as a parasite.
rubiconA limit that when surpassed cannot be returned from, or an action that when taken cannot be reversed.
rubicosereddish, ruddy, inflamed
rubicundPossessing a red complexion; ruddy.
rubicundityThe state or condition of being rubicund; ruddiness, redness.
rubidgeineAny extinct therapsid of the subfamily †Rubidgeinae
rubidianContaining rubidium
rubidicRelating to, or containing, rubidium.
rubidideAn alkalide with rubidium as the anion.
rubidineA nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C₁₁H₁₇N.
rubidiumThe chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
rubidusA butterfly, hybrid between the viceroy (Limenitis archippus) and the red-spotted purple (Limenitis arthemis astyanax).
rubiedDecorated with rubies.
rubificreddening, making red.
rubificationThe act of making red.
rubiformreddish
rubifyto make red; to cause to redden
rubiginoseHaving the appearance or colour of iron rust; rusty-looking.
rubigorust (fungal disease of plants)
rubijervineA toxic plant steroid derived from solanidanine
RubikA surname from Hungarian
rubinA male given name from Hebrew, of rather rare usage, variant of Reuben.
rubineA reddish aniline dye.
rubineousOf a glassy semitransparent crimson, like a ruby.
RubinoA surname from Italian.
RubinomicsThe economic policies of US President Bill Clinton, emphasizing the effect that balancing the government budget has on long term interest rates.
rubinsA surname
RubinsteinA surname from German.
rubinylationModification by reaction with an RUB protein
RubioA surname from Spanish.
rubiousRuby-colored.
rubipodaninAny of a family of cyclic peptides found in the madder Rubia podantha
rubiretinOne of the red dye products extracted from madder root, probably identical with ruberythrinic acid.
rubiscoAn enzyme (ribulose-1,5-bisphosphate carboxylase oxygenase) which catalyzes both the fixing of atmospheric carbon dioxide during photosynthesis (and for a few chemioautotrophic bacteria) and the reverse process of photorespiration.
rubiscolinAny of a group of opioid peptides formed during digestion of the rubisco protein from spinach leaves.
rubishLike a rube.
rubitecanA particular drug designed to treat cancer.
rubivirusAny member of the genus Rubivirus; a rubella virus.
rubixanthinA monocyclic xanthophyll pigment found in rose hips and elsewhere.
rubixanthoneA particular carotenoid.
RubizhneA city in Luhansk Oblast, in eastern Ukraine.
rubleThe monetary unit of Russia, Belarus and Transnistria, equal to 100 kopeks. (Russian: копе́йка (kopéjka), Belarusian: капе́йка (kapjéjka)).
RublevA transliteration of the Russian surname Рублёв (Rubljóv).
rublisThe currency of Latvia from 1919 to 1922 and from 1992 to 1993.
rublizationThe process of a country, region, or group of people adopting the Russian ruble in parallel to or instead of another (e.g. domestic or previous) currency.
ruboffThe situation where something rubs off, either physically or figuratively.
ruborredness, one of the main signs of inflammation
ruboutAn instance of erasing with a rubber.
ruboxistaurinA bisindolylmaleimide that inhibits protein kinase
rubproofResistant to damage caused by rubbing.
rubradirinAn ansamycin antibiotic present in some Streptomyces bacteria
rubralRelating to the red nucleus of the midbrain
rubratoxinAny of a class of mycotoxins found in Penicillium rubrum.
rubredoxinAny of a class of iron-sulfur proteins found in some bacteria
rubreneA polycyclic aromatic hydrocarbon, (5,6,11,12-tetraphenyltetracene), used in chemiluminescence applications.
rubrenolideThe butanolide (3S,5R)-5-dec-9-enyl-3-[(2R)-2,3-dihydroxypropyl]oxolan-2-one
rubrerythrinA non-haem iron protein involved in oxidative stress tolerance in anaerobic bacteria
rubriblastA proerythroblast.
rubricA heading in a book highlighted in red.
rubricalOf, pertaining to, or in the nature of a rubric.
rubricalityThe quality of being rubrical.
rubricallyAccording to a rubric, or religious directions.
rubricanThe member of a religious order who is responsible for seeing that the rubric (directions for a religious service) is followed.
rubricateMarked with red.
rubricationA form of calligraphy, in medieval manuscripts, in which added text was coloured in red.
rubricatorThe person who wrote the red titles and headings in a manuscript.
rubricianSomeone versed in, or strictly adhering to, the rubric or rubrics.
rubricismA pedantic or scrupulous emphasis on following rubrics, that is, written directions and regulations, in celebrating the liturgy.
rubricistof or pertaining to rubricism
rubricityRedness.
rubricoseMarked with red.
rubrificationrubrication
RubrightA surname.
rubrisherA painter of ornamental letters in early manuscripts.
rubrocurcuminA red dye formed by the reaction of curcumin with borates in the presence of oxalic acid.
rubrofusarinThe benzochromenone 5,6-dihydroxy-8-methoxy-2-methyl-benzo[g]chromen-4-one
rubromycinAny of a class of natural products isolated from actinomycetes and having various antimicrobial and enzyme activity.
rubroolivaryRelating to, or connecting the inferior olive and the parvocellular red nucleus
rubropunctamineA red pigment that is the isoquinoline derivative (9~{a}~{R})-3-hexanoyl-9~{a}-methyl-6-[(~{E})-prop-1-enyl]-7~{H}-furo[3,2-g]isoquinoline-2,9-dione
rubropunctatinThe pigment (R-(E))-9a-methyl-3-(1-oxohexyl)-6-(1-propenyl)-2H-furo(3,2-g)(2)benzopyran-2,9(9aH)-dione present in Monascus
rubrospinalOf or relating to the rubrospinal tract, part of the nervous system and a major motor control pathway in humans.
rubrosulphinA toxic metabolite found in a number of fungi.
rubrousRed.
rubrozemA kind of reddish-yellow podzolic soil.
rubsterSynonym of tribade.
rubstonea whetstone (stone for scouring or rubbing).
rubulavirusAny member of the genus Rubulavirus of infectious viruses, including the mumps virus and parainfluenza types 2, 4a and 4b
rubusAny of the genus Rubus of flowering plants, including the raspberry and blackberry.
rubyA clear, deep, red variety of corundum, valued as a precious stone.
RubygateA political scandal in which Silvio Berlusconi was investigated and convicted for having sex with an underage prostitute (Karima El Mahroug, stage name Ruby Rubacuori) and for abuse of office relating to her release from detention.
RubyistA user of the Ruby programming language.
rubylateTo cause or to undergo rubylation.
rubylationReaction with the protein "RUB" related to ubiquitin
rubylikeResembling or characteristic of a ruby.
rubyspotAny of several damselflies of the genus Hetaerina
rubytailA European wasp, Chrysis ignita, with a bright red underside of the abdomen.
rubythroatA ruby-throated hummingbird (Archilochus colubris).
rubywareArticles made from ruby.
rubywoodred sandalwood, Pterocarpus santalinus
rucaparibA drug being developed as a cancer treatment.
RucciA surname.
rucervineof or pertaining to the deer of the genus Rucervus.
RuchA surname.
RuchbahA subgiant, visible as a third-magnitude eclipsing binary blue-white star marking the knee of the figure in the northern constellation of Cassiopeia, a part of the constellation's prominent W asterism.
rucheA strip of fabric which has been fluted or pleated.
ruchedwith tight elastic folds
Ruchia Prajapati
RuchillAn area of Glasgow, Scotland.
ruchingRuche.
rucinolA particular resorcinolic lipid.
RucinskiA surname from Polish.
ruckA throng or crowd of people or things; a mass, a pack.
RuckaA surname from Czech.
RuckelA surname from German.
RuckerA surname.
RuckiA surname from Polish.
ruckleTo crease or wrinkle.
RucklidgeA surname
rucklidgeiteA trigonal-hexagonal scalenohedral silver white mineral containing bismuth, lead, and tellurium.
rucklyWrinkly or bumpy.
ruckmanA ruck; a player who contests rucks.
rucksackA bag carried on the back or shoulder, supported by straps.
RuckstuhlA surname.
ruckusA raucous disturbance and/or commotion.
ruckusyCharacteristically resembling or making a ruckus; loud; boisterous
ruckwomanA female ruck; a woman who contests rucks.
ruckworkThe onfield play of a ruck.
rucolaRocket, arugula (plant Eruca sativa).
rucoliSynonym of arugula.
RucphenA municipality of North Brabant, Netherlands.
ructationA burp.
ructionA noisy quarrel or fight.
ructiousNoisily quarrelling; liable to ruction.
rudredness or blushing
RudaA village in Zhvanets rural hromada, Kamianets-Podilskyi Raion, Khmelnytskyi Oblast, Ukraine, first mentioned in 1422.
RudabaA female given name from Persian.
rudaceouspsephitic
RudakiPersian poet
RudakubanaA surname.
rudasbold; masculine; coarse
RudbaxtonA village and community in mid Pembrokeshire, Wales (OS grid ref SM9620).
RudbeckA surname from Swedish.
rudbeckiaAny member of the genus Rudbeckia of coneflowers.
ruddAny species of the freshwater game fishes of genus Scardinius.
RuddellA surname.
rudderAn underwater vane used to steer a vessel. The rudder is controlled by means of a wheel, tiller or other apparatus (modern vessels can be controlled even with a joystick or an autopilot).
rudderbuttAn otter.
rudderedHaving a rudder or rudders.

Words starting with R

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