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 ultralightweight Extremely lightweight. ultralinear Extremely linear. ultralocal Whose properties are influenced by its immediate neighbours only ultralocality The state of being ultralocal ultralocalization The act of making, or of treating as ultralocal ultralogical extremely logical ultralong Extremely long. ultraloose Extremely loose. ultraloyal Extremely loyal. ultraloyalist One who has strong loyalist beliefs. ultralucid Extremely lucid. ultraluminous Very luminous ultraluxe Very luxurious. ultraluxurious Highly luxurious. ultraluxury Providing an extremely high degree of luxury, well beyond what "luxury" would normally imply ultramacho Highly macho. ultramafic Describing igneous rocks that contain magnesium and iron and only a very small amount of silica, such as are found in the Earth’s mantle. ultramafite ultramafic rock ultramagnetic Extremely magnetic (used especially to describe magnetars) ultramarathon A running race over a distance longer than 42.195 km (26 miles 385 yard), the length of a standard marathon. ultramarathoner Someone who participates in ultramarathons. ultramarathoning The sport of running ultramarathons. ultramarathonist Ultramarathoner. ultramarine Beyond the sea. ultramasculine Highly masculine. ultramasculinity Extreme masculinity. ultramassive Extraordinarily massive; of utmost massiveness. ultramaternal Extremely maternal. ultramatricial Isomorphic to a countable direct limit of matricial algebras. ultramature Extremely mature. ultramaximal Above or beyond a maximum, for example on a graph. ultramaximum Greater than maximum; supermaximal; ultramaximal. ultramelilitolite A melilitolite with more than 65% melilite. ultramer Any of a class of synthetic DNA sequences ultrameric Relating to ultramers ultrametamorphic Of or relating to ultrametamorphosis. ultrametamorphism The process of metamorphism at extreme temperatures and pressures where rocks are partially heated to magma, to which the affected rocks then become metamorphic after fusing. ultrametamorphosis A form of metamorphosis that occurs at a temperature and pressure just below the fusion point of the rock ultrametric Describing a metric whose triangle inequality has the stronger form d(x,z)< max d(x,y),d(y,z). ultrametricity The condition of being ultrametric. ultrametricization The process, or the result of ultrametricizing ultrametricize To make ultrametric. ultrametricized Converted to ultrametric form ultrametrics The study and use of ultrametric systems ultramicro ultramicroscopic ultramicroanalysis An analysis on a smaller scale than microanalysis. ultramicrobacterial Relating to ultramicrobacteria. ultramicrobacterium A bacterium that is considerably smaller than typical bacterial cells and is 0.2 to 0.3 micrometers (200-300 nm) in diameter. ultramicrobalance A balance used to weigh very small amounts ultramicrocentrifuge Synonym of microultracentrifuge. ultramicrochemical Relating to ultramicrochemistry. ultramicrochemist One who studies ultramicrochemistry. ultramicrochemistry ultramicroscale chemistry ultramicrodetermination microdetermination performed on a small scale. ultramicroelectrode A very small microelectrode ultramicrofiche A particularly compact microfiche, storing data at significantly higher densities. ultramicrofluorimetric Relating to ultramicrofluorimetry ultramicrofluorimetry microfluorimetry by means of an ultramicroscope ultramicrograph A photograph made using an ultramicroscope ultramicrohardness The microhardness of a very thin film. ultramicroheterogeneous On a smaller scale than microheterogeneous. ultramicrometer A very precise micrometer. ultramicroorganism Any ultramicroscopic organism. ultramicropathological Relating to ultramicropathology ultramicrophotography microphotography by means of an ultramicroscope ultramicropore A pore having dimensions of the order of a nanometre ultramicroporous Having pores of a size considerably less than a nanometre ultramicroscale On an ultramicroscopic scale. ultramicroscope a microscope that uses bright illumination against a black background to view small particles ultramicroscopic Too small to be seen with an ordinary microscope. ultramicroscopical ultramicroscopic ultramicroscopically By means of, or in terms of, ultramicroscopy. ultramicroscopy The scientific use of the ultramicroscope. ultramicrosize Smaller than microsize. ultramicrospectrophotometer A spectrophotometer equipped with an ultramicroscope ultramicrostructural Relating to ultramicrostructure ultramicrostructure microstructure as revealed by an ultramicroscope ultramicrotome A microtome that cuts extremely thin slices of tissue, especially for use in electron microscopy. ultramicrotomic Relating to an ultramicrotome ultramicrotomy microtomy using an ultramicrotome ultramilitant extremely militant ultraminiature Extremely small; highly miniaturized. ultraminiaturization Reduction to ultraminiature size. ultraminiaturize To reduce to ultraminiature size. ultraminiaturized Reduced to ultraminiature size. ultraminimal Very minimal. ultraminimalist Very minimalist ultraminute extremely minute ultramobile Remarkably mobile; very convenient to travel with. ultramoderate Of very moderate political views. ultramodern Extremely modern. ultramodernism An ultramodern style. ultramodernist One who strongly believes in current views, who is extremely modern in ideas or style. ultramodernistic extremely modernistic ultramodernity The property of being ultramodern. ultramodest extremely modest ultramodularity The condition of being ultramodular ultramoist Very moist. ultramolecular So highly diluted as not to contain a single molecule of the active substance. ultramontane Promoting the supremacy of the Pope. ultramontanism A Roman Catholic philosophy that emphasises the prerogatives and powers of the Pope. ultramontanist A supporter of ultramontanism. ultramorphological Relating to ultramorphology ultramorphology The morphology of biological ultrastructures ultramundane extraordinary; abnormal ultramutated very mutated ultramutation A very high level of mutation ultramylonite A kind of mylonite defined by modal percentage of matrix grains more than 90%. ultrananocrystalline Having crystals less than nanoscale ultranarrow Extremely narrow. ultranational ultranationalist ultranationalism Extreme nationalism, the belief in the superiority of one's nation and of the paramount importance of advancing it. ultranationalist Pertaining to or supporting ultranationalism; exceedingly nationalistic. ultranationalistic Very radically nationalistic. ultranationalistically In an ultranationalistic manner. ultranatural Extremely natural. ultranerdy Exceptionally nerdy. ultranervous Extremely nervous (on edge; anxious). ultranice extremely nice ultraniche Extremely niche. ultraobscure extremely obscure ultraofficious extremely officious ultraoligotrophic Very oligotrophic ultraoligotrophy The condition of being ultraoligotrophic ultraoptimistic extremely optimistic ultraorthodox Very orthodox, chiefly among Jewish sects. ultraorthodoxy The quality of being ultraorthodox. ultrapapist A particularly devoted papist. ultraparadoxical Relating to the third and final stage in Pavlov's theory of transmarginal inhibition, at which point negative stimulation results in positive responses and vice versa. ultraparallel Sharing a common perpendicular. ultraparanoid Highly paranoid or suspicious. ultrapasteurization A form of pasteurization in which the product is subjected to extreme heat for only a few seconds. ultrapasteurized Having undergone ultrapasteurization. ultrapatriotic Extremely patriotic. ultrapatriotism Extreme patriotism. ultrapeer In a peer-to-peer network, a peer capable of routing requests and responses from others rather than always adopting a direct client-server connection. ultrapercussive Highly percussive. ultraperfect Entirely perfect; exceptionally good. ultraperformance Very high-performance. ultraperipheral On the extreme periphery ultrapermanent Of great permanence; very long-lasting. ultrapersonal Extremely personal ultrapersuasive extremely persuasive ultraphone A telephone capable of transmitting communications faster than the speed of light. ultraphotomicrograph A photomicrograph obtained via an ultramicroscope. ultraphysical extremely physical. ultraphytoplankton Synonym of nanophytoplankton. ultraphytoplanktonic Relating to or composed of ultraphytoplankton. ultrapious Extremely pious, overly devout or reverent. ultraplanetary Beyond the planets.