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 illuminance The luminous flux incident on unit area of a surface; commonly measured in lux (lumen/metre²) or otherwise foot-candles. The illuminance of a star upon the earth is frequently measured on a negative logarithmic scale referred to as its apparent magnitude, which see. illuminant Something that illuminates. illuminary illuminative illuminate To shine light on something. illuminated Irradiated by light, lit. illuminating Providing illumination or light. illuminatingly In an illuminating manner. illumination The act of illuminating, or supplying with light; the state of being illuminated. illuminationism An Islamic philosophical and mystical school of thought introduced by Iranian philosopher Shihab al-Din Yahya ibn Habash Suhrawardi in the 12th century. illuminationist Of or relating to illuminationism. Illuminatism Illuminism illuminative of, capable of, or causing illumination illuminatively In an illuminative manner. illuminator One who illuminates; an explainer. illuminatory Increasing informative qualities; explanatory. Illuminatus A member of the early church who had received baptism and been given a lighted taper as a symbol of the spiritual illumination they had received. illumine To shine light on (something). illumined Illuminated. Illuminee One of the Illuminati (various groups). illuminer Someone or something that illuminates; an illuminator illumining illumination illuminism A belief system in which the adherents (the Illuminati) believe that they have received special enlightenment. illuminist Someone who subscribes to the doctrine of illuminism, or who claims to have achieved spiritual illumination; one of the Illuminati. illuministic Of or relating to illuminism. illuminize To instil the doctrines or principles of the Illuminati. illuminometer An instrument that is used to measure the intensity of illumination illuminosity the state of being illuminous illuminous bright; clear illure To deceive; to entice; to lure. illurement The act of illuring; enticement. illusion A distortion of sensory perception where real stimuli lead to a false or misleading impression of reality. illusionable Liable to illusion; easily duped or convinced illusional Illusory; being or pertaining to an illusion. illusionarily Synonym of illusorily. illusionary Illusory; pertaining to an illusion, or of the nature of an illusion. illusioned Under an illusion; deceived. illusionette An illusion (magic trick) that is small in size. illusionism The performance of magic tricks. illusionist One who works with illusion or sleight of hand. illusionistic Tending to create an illusion. illusionistically In an illusionistic manner. illusionless Devoid of illusions. illusionlessness Absence of illusion. illusionlike Resembling or characteristic of an illusion. illusive Subject to or pertaining to an illusion, often used in the sense of an unrealistic expectation or an unreachable goal or outcome. illusively In a illusive fashion. illusiveness The quality of being illusive. illusorily In an illusory fashion. illusoriness The quality of being illusory. illusory Resulting from an illusion; deceptive, imaginary, unreal. illustrable Capable of illustration. illustratable Capable of being illustrated. illustrate To clarify something by giving, or serving as, an example or a comparison. illustrated Containing illustrations. illustration The act of illustrating; the act of making clear and distinct. illustrational Serving to illustrate. illustrationist illustrator illustrative Demonstrative, exemplative, showing an example or demonstrating. illustratively In an illustrative manner. illustrativeness The state or quality of being illustrative. illustrator a person who draws pictures (especially illustrations in books or magazines) illustratory illustrative (serving to illustrate or explain) illustratress A female illustrator. illustre Synonym of illustrious. illustrious Admired, distinguished, respected, or well-known. illustriously In an illustrious manner. illustriousness The state of being illustrious. illustrous Without lustre. illutation The act of smearing the body with mud, especially with the sediment from mineral springs; a mud bath. illutible That cannot be purged or washed away illuvial Of, pertaining to, or formed by illuviation illuviate To leach from an overlying stratum and accumulate in suspension. illuviated Exhibiting illuviation. illuviation The accumulation of suspended material and soluble compounds leached from an overlying stratum illuvium material displaced across a soil profile, from one layer to another, by the action of rainwater illwisher One who wishes somebody ill. illy Badly; poorly. Illyria A vaguely-defined geographic region in Southeastern Europe in the western part of the Balkan Peninsula, approximately coincident with modern Albania. Illyrian Of or pertaining to Illyria or Illyrians. Illyrianism A cultural and political campaign with roots in the early modern period, and revived by a group of young Croatian intellectuals during the first half of the 19th century, that aimed to create a Croatian national establishment in Austria-Hungary through linguistic and ethnic unity, and through it lay the foundation for cultural and linguistic unification of all South Slavs. Illyrianist A supporter of Illyrianism. Illyric Synonym of Illyrian. Illyricum A former province of the Roman Empire, covering the whole of Dalmatia and Pannonia, existing from 27 BC to c. 70 AD and reconstituted in 293 AD by Diocletian. Illyrism Synonym of Illyrianism. Illyrist Synonym of Illyrianist. Illyrologist A scholar specializing in the history, culture and language of Illyria and Illyrians (Taulantii, Dardanians, etc.). Illyrology The science of ancient Illyrians and Illyrian culture; Illyrian studies. Illyromania obsession with speculative etymologies based on Illyrian illywhacker A small-time confidence trickster or seller of trinkets. Ilmajoki A town and municipality of South Ostrobothnia, Finland. ilmajokite A monoclinic mineral containing barium, cerium, hydrogen, lanthanum, oxygen, silicon, sodium, and titanium. ilmenite A weakly magnetic dark gray mineral found in metamorphic and igneous rocks; it is a mixed oxide of iron and titanium, FeTiO₃ ilmenitite A hypabyssal igneous rock composed of ilmenite with some pyrite, chalcopyrite, pyrrhotite, hypersthene and labradorite ilmenium A supposed chemical element, later found to be a mixture of niobium and tantalum. ilmenohematite A solid solution between ilmenite and hematite. ilmenorutile A titanium-iron oxide mineral. Ilmer A small village in Longwick-cum-Ilmer parish, Buckinghamshire, England (OS grid ref SP7605). Ilmington A village and civil parish in Stratford-on-Avon district, Warwickshire, England (OS grid ref SP2143). Ilminster A market town and civil parish with a town council in Somerset, England, previously in South Somerset district (OS grid ref ST3514). Ilnicki A surname from Polish. Ilnitski A surname. Ilnyckyj A transliteration of the Ukrainian surname Ільницький (Ilʹnycʹkyj). Ilnytskyi A transliteration of the Ukrainian surname Ільницький (Ilʹnycʹkyj). Ilobasco A town in Cabañas department, El Salvador. Ilocandia Ilocos Region Ilocano The ethnolinguistic group of the Ilocos Region on the coasts of northwestern Luzon in the Philippines. Ilocos Ilocos Region (a region of Luzon, Philippines). Ilog A municipality of Negros Occidental, Philippines. Ilogmalino A barangay of Bolinao, Pangasinan, Philippines. Iloilo A province of Western Visayas, Visayas, Philippines. Capital and largest city: Iloilo City. Ilok A town in Croatia. Iloko Synonym of Ilocano (“language”). Ilomantsi A municipality and village in North Karelia, Finland. ilomastat A broad-spectrum matrix metalloproteinase inhibitor Ilon A male given name from Hebrew, variant of Elon. Ilona A female given name from Ancient Greek. Ilonggo A native or inhabitant of Iloilo. Ilongot An ethnic group of Luzon in the Philippines. Ilopango A town in San Salvador department, El Salvador. iloperidone An atypical antipsychotic drug used to treat schizophrenia. iloprost A drug used to treat pulmonary arterial hypertension, scleroderma, Raynaud phenomenon and ischemia. Ilorin The largest city and state capital of Kwara State, Nigeria. Ilovaisk A city in eastern Ukraine, in Donetsk oblast. Ilpirra Synonym of Warlpiri. Ilsa A female given name. ilsemannite An amorphous mineral containing hydrogen, molybdenum, and oxygen. Ilseng A village in Innlandet, Norway. Ilsington A village and civil parish in Teignbridge district, Devon, England (OS grid ref SX7876). Ilsley A surname from Old English. Ilston A community and small village in the City and County of Swansea, Wales (OS grid ref SS5590). iltisite A hexagonal-trapezohedral mineral containing bromine, chlorine, mercury, silver, and sulfur. Ilton A hamlet in Ilton-cum-Pott parish, North Yorkshire, England, previously in Harrogate district (OS grid ref SE1878). Iluka A town in the Clarence Valley council area, north eastern New South Wales, Australia. Ilulissat A city in Avannaata, Greenland. iluppai Synonym of mahua (“Indian tree”). ilustrado An educated wealthy and elite Filipino during the Spanish colonial period of the Philippines. ilvaite A black, crystalline sorosilicate of iron and calcium. Ilvates A Ligurian tribe mentioned only in the writings of Livy. Ilya A male given name from Russian. Ilyas Elijah, a prophet of Islam Ilyashov A surname from Russian. Ilyich A surname from Russian Ilyinichna a female patronymic, Ильинична ilysiid Any snake in the family Ilysiidae, a synonym of the Aniliidae. Ilyusha A male given name, from Russian Илья́ (Ilʹjá), diminutive of Russian Илья́ (Ilʹjá) (Ilya). Ilyushenka A male given name, from Russian Илья́ (Ilʹjá), a diminutive and more endearing form of Russian Илья́ (Ilʹjá) (Ilya). im irregular galaxy with no coherent structure ima I'm. Imabari A city in Ehime Prefecture, Japan. iMac One of a line of all-in-one Macintosh computers made by Apple Inc.