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 ultradiafiltration ultrafiltration or diafiltration (used, more or less, synonymously) ultradian Cyclical with a periodicity significantly shorter than 24 hours, that is, more frequent than circadian. ultradifferentiability The condition of being ultradifferentiable ultradifferentiable Having all derivatives over an open set bounded by an indexed value in an ultradistribution (times a constant). ultradifferential A generalization of a differential that is calculated over an ultradistribution. ultradiffuse Extremely diffuse. ultradignified Extremely dignified. ultradimensional Hyperdimensional. ultradisciplined extremely disciplined ultradiscreet Very discreet. ultradiscrete Describing any discrete system whose dependent variables also take discrete values ultradiscretization The transformation of a discrete system into an ultradiscrete one ultradiscretize To transform by ultradiscretization. ultradispensationalism A form of dispensationalism which states that the church began at the end of Acts. ultradispensationalist A proponent of ultradispensationalism. ultradispersed Highly dispersed ultradistal Extremely distal ultradistance A very great distance. ultradistant Extremely distant. ultradistinct Extremely distinct ultradistribution A continuous linear functional. ultradiverse Very highly diverse. ultradogmatic extremely dogmatic ultradolichocephalic Highly dolichocephalic. ultradolichocephaly The condition of being ultradolichocephalic. ultradolichocranial Having an extremely long skull. ultradrastic Extremely drastic. ultradrive A spaceship drive capable of travelling faster than the speed of light. ultradry extremely dry. ultradurable Extremely durable. ultraearly Very early ultraefficient Extremely efficient; of utmost efficiency. ultraelegant Extremely elegant ultraeligible Extremely eligible for marriage. ultraelliptic Being or relating to a kind of hyperelliptic line integral involving a polynomial of degree 5 or 6. ultraempirical Highly empirical: empirical to a high degree. ultraendurance Involving sustained or consistent activity for a very long time. ultraenergetic Extremely energetic. ultraenthusiasm Extreme enthusiasm. ultraenthusiastic extremely enthusiastic ultraevangelical extremely evangelical ultraexcessive Extremely excessive. ultraexclusive Particularly exclusive. ultraexpensive Extremely expensive. ultraextensive extremely extensive ultrafabulous Wholly fabulous; wonderful. ultrafaint Very faint ultrafamiliar extremely familiar; particularly familiar ultrafamous Particularly famous. ultrafanatic Extremely fanatic. ultrafanatical Extremely fanatical. ultrafantastic Extremely fantastic. ultrafashionable Extremely fashionable. ultrafast Very fast, or of very short duration; especially concerning events that take place in femtosecond or picosecond timescales. ultrafastidious Extremely fastidious. ultrafat Extremely fat or overweight. ultrafederalism Very strong federalist beliefs. ultrafederalist Having very strong federalist beliefs. ultrafeminine Highly feminine. ultrafeminism An extreme form of feminism. ultrafemme A very feminine person. ultrafeudal Extremely feudal. ultrafiche An ultramicrofiche. ultrafidian Going beyond mere faith ultrafidianism The quality of being ultrafidian. ultrafilter A device that performs ultrafiltration. ultrafilterability The quality or degree of being ultrafilterable. ultrafilterable Able to undergo ultrafiltration. ultrafiltered filtered using ultrafiltration ultrafiltrate The filtrate produced by ultrafiltration ultrafiltration Filtration through a semipermeable membrane that only allows small molecules through. ultrafine Of particles, very fine. ultrafinely In an ultrafine manner ultrafinitism A form of finitism that is even more extreme in that it denies those constructs whose construction cannot be physically performed (such as a number that no human could have time to calculate). ultrafinitist A proponent of ultrafinitism. ultraflat Extremely flat ultraflexibility The quality of being ultraflexible. ultraflexible Extremely flexible. ultraformal extremely formal ultrafractionation fractionation by means of an ultracentrifuge ultrafragile Extremely fragile. ultrafreezer A freezer that operates at a very low temperature ultrafrivolous extremely frivolous ultrafunction A type of generalized non-Archimedean function ultrafunctional Extremely and rigidly functional, without emotion or ornament. ultrafundamentalism An extreme fundamentalist attitude or approach. ultrafundamentalist Subscribing to extreme, radical fundamentalism ultrafunky Extremely funky. ultrafuturistic extremely futuristic ultragallant extremely gallant ultragaseous Having the properties exhibited by gases under very low pressures (one millionth of an atmosphere or less). ultrageeky Exceptionally geeky. ultragenteel Very genteel. ultraglamorous Extremely glamorous. ultraglossy Extremely glossy. ultragood extremely good ultragraph A generalization of a directed graph in which the source of an edge is a set of vertices rather than a single vertex. ultragreen Of a very vivid green colour. ultrahard Extremely hard; of utmost hardness. ultrahardness The quality of being ultrahard. ultraharmonic A harmonic whose frequency is many times that of the fundamental ultrahazardous Extremely hazardous. ultrahealing Very strongly healing. ultraheat Extreme heat. ultraheavy Describing any atom that has a very large atomic weight; especially those that lie beyond fermium in the periodic table ultraheroic extremely heroic ultrahip Extremely hip. ultraholomorphic Holomorphic and such that all derivatives are uniformly bounded by a constant multiple of the argument that can be associated with the order of the derivative. ultrahomogeneity The condition of being ultrahomogeneous ultrahomogeneous Such that every isomorphism between finitely generated substructures extends to an automorphism of itself. ultrahot Extremely or exceedingly hot; of utmost hotness. ultrahuman Having powers much greater than those of a normal human; superhuman ultrahydrophobic superhydrophobic ultrahydrophobicity The quality of being ultrahydrophobic. ultrahyped Promoted with an extreme amount of hype. ultrahyperarid Extremely arid ultrahyperbolic Pertaining to an ultrahyperbolic equation. ultrahypofractionation An extreme form of hypofractionation ultraimperialism A comparatively peaceful phase of capitalism that comes after the era of imperialism. ultraimperialist Extremely imperialist. ultraimperialistic Extremely imperialistic. ultraimpersonal Extremely impersonal. ultrainclusive extremely inclusive ultraindulgent extremely indulgent ultraingenious Extremely ingenious. ultraintellectual Highly intellectual. ultraintelligence Remarkably high intelligence. ultraintelligent Extremely intelligent; of utmost intelligence. ultraintense Extremely intense; of utmost intensity. ultraintensive Extremely intensive, of utmost concentration, exceedingly concentrated. ultraintimate extremely intimate ultraintuitionism Ultrafinitism. ultraintuitionist A proponent of ultraintuitionism; an ultrafinitist. ultrainvolved extremely involved ultraism Radicalism or political extremism. ultraist One who pushes a principle or measure to extremes ultraistic Characteristic of ultraism. ultralaborious extremely laborious ultralean Especially lean; streamlined. ultraleft Of or pertaining to ultraleftism. ultraleftism The ideology of the ultraleft, associated with left communism, characterized by a rejection of both social democracy and state socialism in favor of traditional Marxism, including opposition to Leninism and the vanguard party. ultraleftist An adherent of ultraleftism (all senses). ultralegal Going beyond what is authorized or set out by law. ultralenient extremely lenient ultralente A long-acting form of insulin. ultralethal Exceedingly lethal or deadly. ultraliberal Extremely liberal. ultraliberalism Ultraliberal beliefs generally. ultralight Extremely light; weighing very little. ultralightness The quality of being ultralight.