Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z rhodocenium The unipositive cation of rhodocene. rhodochelin A siderophore produced by a Rhodococcus. rhodochrosite A crystalline mineral composed mainly of manganese carbonate MnCO₃. rhodochrous Of a pink or rose color. rhodococcal Relating to bacteria of the genus Rhodococcus or to rhodococosis. rhodococcus Any bacterium of the genus Rhodococcus. rhodococosis infection with bacteria of the genus Rhodococcus. rhodocyte erythrocyte; red blood cell rhodocytin A protein found in venom of the viper Calloselasma rhodostoma rhododendric Derived from rhododendrons rhododendrol The phenol 4-[(3R)-3-hydroxybutyl]phenol used in some skin-lightening products rhododendron Oleander (Nerium oleander). rhododendronlike Resembling or characteristic of a rhododendron. rhodogen A substance found in beets that turns red on exposure to oxygen. rhodoid A type of thermoplastic made from cellulose acetate rhodolite A purplish-red garnet. rhodolith A benthic marine red alga that resembles coral rhodolithic Related to or composed of rhodoliths. rhodological Of or pertaining to rhodology. rhodologist One who studies and classifies roses. rhodology A branch of botany that studies the genus Rosa of roses. rhodomel A form of mead made with rosehips, rose petals, or rose attar. rhodomelaceous Of or relating to the Rhodomelaceae. rhodommatin A red ommochrome found in the wings of lepidoptera rhodomontade Dated spelling of rodomontade. rhodomontader One who makes vain boasts. rhodomycin Any of a group of antibiotics produced by Streptomyces rhodomyrtone An antibacterial drug, 6,8-dihydroxy-2,2,4,4-tetramethyl-7-(3-methyl-1-oxobutyl)-9-(2-methylpropyl)-4,9-dihydro-1H-xanthene-1,3(2H)-di-one, isolated from rose myrtle (Rhodomyrtus tomentosa) rhodonite A manganese inosilicate mineral with some substitution by iron and magnesium, of composition (Mn²⁺,Fe,Mg,Ca)SiO₃. Rhodope A woman in Greek mythology. rhodopeptin Any of a group of antifungal cyclic tetrapeptides present in a Rhodococcus Rhodopes A mountain range in Southeastern Europe, with over 83% of its area in southern Bulgaria and the remainder in Greece. rhodophane The red pigment in the inner segments of the cones of the retina in animals. rhodophobia Fear of, or aversion to, the colour pink. rhodophyll The compound pigment found in the red algae. rhodophyllous Containing or relating to rhodophyll. rhodophyte Any red alga (of phylum Rhodophyta). rhodophytic Relating to the rhodophytes rhodopic Describing the part of vision that detects pale red light rhodopid Any sea snail in the family Rhodopidae. rhodopin A particular carotenoid. rhodopinal A particular carotenoid. rhodopinol A particular carotenoid. rhodopsin A light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal rhodopterin Synonym of pterorhodin. rhodoquinone An O-demethylated quinone found in some helminths. rhodora A deciduous flowering shrub of species Rhododendron canadense, native to northeastern North America. rhodosperm Any seaweed with red spores, in the former class Rhodospermeae. rhodostannite A tetragonal-dipyramidal reddish gray mineral containing copper, iron, sulfur, and tin. Rhodostaurotic Rosicrucian rhodotoxin One of the grayanotoxins; grayanotoxin I. rhodous Of or relating to rhodium. rhodovibrin A particular carotenoid. rhodoxanthin A xanthophyll pigment found in many plants, and in bird feathers. rhodplumsite A rare rhodium-lead sulphide mineral with chemical formula Rh₃Pb₂S₂. rhody A surname from German. rhoeadine Any of a group of benzazepine alkaloids found in the poppy. Rhoecus A centaur who, together with another centaur, Hylaeus, tried to rape Atalanta, who killed them both. Rhoeo A lover of Apollo and mother of Anius, king of Delos and priest of Apollo. rhogocyte A pore cell, in molluscs, that produces hemocyanin. rhoifolin A particular flavone isolated from citrus and other plants. rhoipteleaceous Of or relating to the Rhoipteleaceae. Rhomaean Synonym of Rhomaian; of or pertaining to the Eastern Roman (or Byzantine) empire. Rhomaian Of or pertaining to the Eastern Roman (or Byzantine) empire; alternative form of Romaean. rhomalaeosaurid Any pliosauroid plesiosaur of the family Rhomaleosauridae rhomaleosaurid Any plesiosaur of the family †Rhomaleosauridae rhomb A rhombus. rhombencephalic Relating to the rhombencephalon. rhombencephalitis inflammation of the hindbrain, especially of the brainstem rhombencephalon The hindbrain. rhombencephalosynapsis A hindbrain malformation characterized by vermian agenesis and fusion of the cerebellar hemispheres. rhombic Having the characteristics of a rhombus. rhombical rhombic rhombically In the shape of a rhombus. rhombicity A certain characteristic of a symmetric second-rank tensor in three-dimensional Euclidean space, describing its directional asymmetry. rhombicosidodecahedral Being or relating to a rhombicosidodecahedron. rhombicosidodecahedron An Archimedean solid with 62 regular faces (20 triangles, 30 squares, and 12 pentagons), 60 vertices and 120 edges. rhombicuboctahedral Relating to, or having the form of, a rhombicuboctahedron. rhombicuboctahedron An Archimedean solid with eight triangular and eighteen square faces; the small rhombicuboctahedron. rhombidodecahedral Relating to a rhombidodecahedron rhombidodecahedron A nonconvex uniform polyhedron with square faces and sharing symmetry of a dodecahedron. rhombiferan Any echinoderm of the class †Rhombifera. rhombiform In the shape of a rhombus. rhombihexahedron Either of two concave polyhedra: the great rhombihexahedron and the small rhombihexahedron. rhombille Composed of rhombuses rhombitrihexagonal Relating to a semiregular tiling of the Euclidean plane with one triangle, two squares, and one hexagon on each vertex. rhombochasm A strike-slip basin that is roughly rhombohedral in shape. rhomboclase An acidic orthorhombic iron sulfate mineral. rhomboganoid A fish of the obsolete suborder Rhomboganoidei, roughly corresponding to the gars (Holostei). rhombogen The infusoriform embryo of a nematoid worm. rhombohedral Having three equal axes and oblique angles. rhombohedrally In rhombohedral form. rhombohedric rhombohedral rhombohedron A prism with six faces, each a rhombus. rhomboid A parallelogram which is neither a rhombus nor a rectangle. rhomboidal rhomboid, having a rhomboid shape rhomboidally In the shape of a rhomboid. rhomboides A rhomboid. rhomboideum The ligament that joins the sternal end of the clavicle with the cartilage of the first rib. rhomboideus Any of the rhomboid muscles. rhomboidly In a rhomboid manner. rhombomere A temporarily divided segment of the developing neural tube, within the hindbrain region rhombomeric Relating to a rhombomere. rhombos A musical instrument used in ancient mystical ceremonies, whirled to producing a roaring sound. rhombosortase Any rhomboid sortase (present in many bacteria) rhombozoan Any of the phylum Rhombozoa of tiny parasites found in the renal appendages of cephalopods. rhombus A parallelogram having all sides of equal length. rhomphaia A large, broad sword used by the Thracians. Rhona A female given name of Scottish origin. rhonchial Of or pertaining to a rhonchus rhonchisonant Making a snorting noise; snorting. rhonchopathy Rhonchus. rhonchus A dry rattling sound heard during breathing, due to deposits in the bronchial tubes. Rhonda A female given name from Welsh. Rhondda A former coal-mining valley in South Wales. rhone A horizontal section of guttering, collecting rainwater from a roof. Rhoney A surname from German. Rhoose A village and community (without a council) in Vale of Glamorgan borough county borough, Wales (OS grid ref ST0666). rhopalial Relating to a rhopalium rhopalic Having each successive word longer by a letter or syllable. rhopalid Any bug in the family Rhopalidae. rhopalism rhopalic structure rhopalium One of the small sensory tentacular structures of various jellyfish species. rhopaloceral Of or relating to the Rhopalocera. rhopalocercous Having a series of fleshy lobes or filaments. rhopalocerous Of or relating to the Rhopalocera. rhopaloid Having a shaft or tentacle with an uneven diameter. rhopaloneme Any hydrozoan of the genus Rhopalonema rhopalosiphine Any aphid of the subtribe Rhopalosiphina rhopalosomatid Any wasp in the family Rhopalosomatidae. rhophilin Any of a group of GTP-binding proteins rhopographic Relating to rhopography. rhopography The depiction of trivial, everyday things. rhoptry A specialized secretory organelle in some protozoans rhos A village in Cilybebyll community, Neath Port Talbot borough, Wales (OS grid ref SN7303). Rhosddu A suburb and community in Wrexham borough, Wales (OS grid ref SJ3351). Rhosgoch A small village in Rhosybol community, Anglesey, Wales (OS grid ref SH4089). Rhosllanerchrugog A large village and community in Wrexham borough, Wales (OS grid ref SJ2946). Rhosneigr A coastal village in Llanfaelog community, Anglesey, Wales (OS grid ref SH3173). Rhossili A village and community on the Gower peninsula, City of County of Swansea, Wales (OS grid ref SS4188). Rhostyllen A village in Esclusham community, Wrexham borough county borough, Wales (OS grid ref SJ3148). Rhosybol A village and community in north Anglesey, Wales (OS grid ref SH4288). rhotacism An exaggerated use of the sound of the letter R. rhotacismus Inability to pronounce the letter R. rhotacization The act, process, or result of rhotacizing. rhotacize To pronounce with an exaggerated 'R' sound (a rhotacism). rhotekin A scaffold protein that interacts with Rho proteins Rhoten A surname. rhotic That allows the phoneme /ɹ/ to follow a vowel, as in bar (/bɑːɹ/) and bard or barred (/bɑːɹd/); (of an English speaker) who speaks with such an accent. rhotically In a rhotic manner.