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 diphosphepine An unsaturated seven-membered heterocycle containing five carbon atoms, two phosphorus atoms and three double bonds diphosphide Any phosphide containing two atoms of phosphorus diphosphinane A saturated six-membered heterocycle containing four carbon atoms and two phosphorus atoms diphosphine The liquid hydride of phosphorus P₂H₄ which is spontaneously inflammable in air. diphosphinine An unsaturated six-membered heterocycle containing four carbon atoms, two phosphorus atoms and three double bonds. diphosphirane A saturated three-membered heterocycle containing one carbon atom and two phosphorus atoms diphosphite An anion with the formula P₂O₅⁴⁻, or salt containing this. diphosphocane A saturated eight-membered heterocycle containing six carbon atoms and two phosphorus atoms diphosphoglucose glucose diphosphate diphosphoglycerate Synonym of biphosphoglycerate. diphosphohydrolase Any phosphohydrolase that catalyses the removal of two phosphate groups (typically from a triphosphate) diphosphoinositide Any phosphate of phosphatidylinositol diphosphokinase pyrophosphate kinase diphosphole An unsaturated five-membered heterocycle containing three carbon atoms, two phosphorus atoms and two double bonds diphospholine An unsaturated five-membered heterocycle containing three carbon atoms, two phosphorus atoms and one double bond diphosphomevalonate mevalonate diphosphate diphosphonate Any compound (especially a class of drugs) having two phosphonate groups diphosphonite Any compound containing two phosphonite groups diphosphonucleoside A nucleoside diphosphate diphosphooligosaccharide A diphosphate derivative of an oligosaccharide; they are intermediates in the metabolism of some carbohydrates diphosphopeptide A phosphopeptide that has two phosphate groups diphosphoribose ribose diphosphate diphosphorus two atoms of phosphorus in a compound diphosphoryl Two phosphoryl groups in a compound diphosphorylase Any enzyme that catalyzes a diphosphorylation recation diphosphorylate To subject to diphosphorylation. diphosphorylated phosphorylated with two units of phosphoric acid diphosphorylation phosphorylation using two phosphate groups diphosphotransferase Any of a group of phosphotransferase enzymes that act on pyrophosphate groups. diphoton A resonance particle formed from two identical photons diphoxazide An anticonvulsant drug. diphthamide A modified histidine amino acid which renders the elongation factor inactive. diphtheria A serious infectious disease leading to inflammation of mucous membranes of the upper respiratory tract, caused by Corynebacterium diphtheriae. diphtherial Relating to diphtheria. diphtheric Relating to, or having, diphtheria. diphtheritic Resembling or related to diphtheria. diphtheritically By means of or in terms of diphtheria. diphtheritis Diphtheria. diphtheroid Of, pertaining to or resembling diphtheria. diphtheronecrotic diphtheroid and necrotic diphtherotoxin An exotoxin secreted by Corynebacterium diphtheriae diphthine The amino acid cation [(1R)-3-[5-[(2S)-2-amino-2-carboxyethyl]-1H-imidazol-2-yl]-1-carboxypropyl]-trimethylazanium diphthong A complex vowel sound that begins with the sound of one vowel and ends with the sound of another vowel, in the same syllable. diphthongal Pertaining to or characterized by a diphthong. diphthongality The quality of being diphthongal. diphthongally By means of a diphthong. diphthongation diphthongisation diphthongic Of the nature of diphthong; diphthongal. diphthongization The process by which a single vowel sound (monophthong) shifts to a two-vowel vocalization (diphthong). diphthongize To change to a diphthong, as by inserting or removing a vowel. diphthongoid A vowel that is midway between a monophthong and a diphthong. diphthongy Having the quality of a diphthong. diphycercal Describing a symmetric tailfin in which the vertebral column extends to the tip. diphycercy The quality of being diphycercal. diphygenic Having two modes of embryonic development. diphyid Any siphonophore of the family Diphyidae diphyletic Of or relating to two phylums. diphyllic liking two substances, for example oil and water, surfactant. diphyllin The benzofuranone derivative 9-(1,3-benzodioxol-5-yl)-4-hydroxy-6,7-dimethoxy-3H-benzo[f][2]benzofuran-1-one diphyllobothriasis infection caused by the tapeworm Diphyllobothrium diphyllobothriid Synonym of diphyllobothriidean. diphyllobothriidean Any of the order Diphyllobothriidea of tapeworms diphyllobothroid Similar to the tapeworms of genus Diphyllobothrium, especially those in which the scolex of the adult lacks suckers or hooks. diphylloside One of a family of flavonoids found in apple peel diphyllous Having two leaves. diphyodont Having two successive sets of teeth (deciduous and permanent), one succeeding the other. diphyodonty The condition, in some animals, of having only one set of replacement teeth following a first erupted set. diphyozooid One of the free-swimming sexual zooids of Siphonophorae. diphytanoyl Two phytanoyl groups in a molecule dipicolinate A salt or ester of dipicolinic acid. dipicrylamine Synonym of hexanitrodiphenylamine DiPierro A surname from Italian. Dipietro A surname from Italian. dipinto a sketched or painted (as opposed to engraved) inscription. dipion A combination of the particle and antiparticle forms of two pions of the same flavour. dipipanone An extremely strong opioid used for very severe pain in cases where morphine is indicated. dipiperidyl Two piperidyl groups in a compound dipiperidylmethane A dipiperidyl derivative of methane that is used as a chelating agent dipiproverine An antispasmodic drug. dipivaloyl Two pivaloyl groups in a molecule dipivaloylketene Any dipivaloyl derivative of a ketene dipivefrine A prodrug of epinephrine used to treat glaucoma. dipivoxil Applied to a diester pivoxil prodrug of adefovir. diplacanthid Any fish in the genus †Diplacanthus. diplacusis A form of tinnitus in which a single auditory stimulus is perceived as two separate sounds which may differ in pitch or in time. diplanar Having two planes. diplandroid A type of pollen grain that contains the diploid number of chromosomes. diplanetic Of a fungus: having two types of zoospore, with a resting stage between their motile periods. diplanetism The condition of being diplanetic. diplatinum Two platinum atoms in a molecule. diple A mark > once used in margins to draw attention to an important passage in a text. diplectanid Any member of the Diplectanidae, a family of monopisthocotylean monogenean flatworms. diplectanotrem Any flatworm of the genus Diplectanotrema diplegia Paralysis that affects symmetrically opposed parts of the body. diplegic One who suffers from diplegia. dipleidoscope An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's centre is on the meridian. dipleuric Of an agreement or covenant: formulated with input from both sides. dipleurula A hypothetical larva of the ancestral echinoderm. diplex Involving the transmission of two messages in the same direction at the same time. diplexed Diplex. diplexer A passive device that implements frequency domain multiplexing. diplobacillary Relating to a diplobacillus. diplobacillus Synonym of diplobacterium. diplobacterium A bacterium composed of two adherent bacteria diplobiont Any organism in which haploid and diploid generations alternate diplobiontic Describing a plant or fungus where both the haploid and diploid phases are represented by a multicellular phase. diplobios organisms which spend part of their life in one medium, part in another, considered collectively diploblast Any diploblastic organism diploblastic Having two embryonic germ layers (the ectoderm and the endoderm) diploblasty The state of being diploblastic. diplobrat A person who had a parent working as a diplomat and thus travelled around as a child. diplocaulid Any tetrapod in the family Diplocaulidae. diplocercid Any extinct coelacanth fish in the family Diplocercidae. diplochlamydeous Synonym of dichlamydeous. diplochorous Spread, or having seeds that are dispersed, in two ways (e.g. being both autochorous and myrmecochorous). diplochory Dispersal of seeds that takes place in more than one stage, generally by different methods. diplochromosomal Relating to a diplochromosome diplochromosome A chromosome, containing four chromatids, produced by two rounds of DNA replication without normal chromosome separation Diplock A surname diplococcal Relating to bacteria of the genus Diplococcus diplococcic Relating to diplococcus diplococcoid Characteristic of a diplococcus diplococcus A coccus that typically occurs in the form of two joined cells. diplocynodontid Any extinct crocodilian of the subfamily Diplocynodontinae diplodactylid Any lizard in the family Diplodactylidae. diplodactylin Any member of the Diplodactylinae subfamily of lizards. diplodactyloid Any member of the Diplodactyloidea superfamily of lizards. diplodiploid haplodiploid with the males being diploid diplodocid Any member of the family †Diplodocidae of large dinosaurs. diplodocine Any dinosaur of the family Diplodocidae, and especially of the genus Diplodocus diplodocoid Any dinosaurs of the family Diplodocidae, and especially of the genus Diplodocus diplodocus Any of several herbivorous sauropod dinosaurs, of the genus Diplodocus, known as fossils from the late Jurassic in North America. diplodont Any of the genus Diplodon of mussels. diploe The thin layer of soft, spongy, or cancellate tissue between the bone plates which constitute the skull. diploetic diploic diplogasterid Any nematode of the family Diplogasteridae. diplogen deuterium diplogenesis The double formation of something that is normally single, such as a body organ. diplogenetic Exhibiting or relating to diplogenesis. diplogenic Partaking of the nature of two bodies; producing two substances. diplogonoporosis infection with tapeworms of the genus Diplogonoporus diplograph An instrument used for double writing, such as one for producing embossed writing for the blind and ordinary writing at the same time. diplographic Relating to diplography or the diplograph. diplographical Relating to diplography or the diplograph. diplography double writing; the writing of something twice or in two forms diplograptid Any graptolite in the family †Diplograptidae. diplogyniid Any parasitic mite of the family Diplogyniidae. diplohaplont Any diplohaplontic organism. diplohaplontic Having or relating to a life cycle that has alternating haploid and diploid phases. diplohedral Synonym of diploid.