Mnemonic Dictionary. Name Pronunciation: Iridium : Synonym: ICSD 64992 : Irite - mixture of several PGE minerals : Osmiridium : PDF 6-598 : Platiniridium : Ruthenosmiridium : Iridium Image: Images: iridium: [noun] a rare silver-white hard brittle very heavy metallic element — see Chemical Elements Table. What does Iridium actually mean? This is the British English pronunciation of iridium. Recorded: September 24,2020. ( uncountable) A chemical element ( symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group . Iridium ( / ɨ ˈ r ɪ d i ə m / i-RID-ee-əm) is the chemical element with atomic number 77, and is represented by the symbol Ir.A very hard, brittle, silvery-white transition metal of the platinum family, iridium is the second-densest element (after osmium) and is the most corrosion-resistant metal, even at temperatures as high as 2000 °C.Although only certain molten salts and halogens are . (also Ir) mass noun. With the exception of osmium, it is the heaviest substance known, its specific gravity being . Look through examples of Iridium translation in sentences, listen to pronunciation and learn grammar. Use our interactive phonemic chart to hear each symbol spoken, followed by an example of the sound in a word. Listen to the audio pronunciation in the Cambridge English Dictionary. Iridium is a transition metal of the platinum family with symbol Ir and atomic number 77 in the periodic table. Define iridium by Webster's Dictionary, WordNet Lexical Database, Dictionary of Computing, Legal Dictionary, Medical Dictionary, Dream Dictionary. It will revolutionize communications for business professionals, travellers, residents of rural or undeveloped areas, disaster relief teams, and others who need the features and . Learn more. iridium - WordReference English dictionary, questions, discussion and forums. iridium synonyms, iridium pronunciation, iridium translation, English dictionary definition of iridium. IPA : /ˈiriːdium/ Noun . 77, atomic wt. History and Discovery. The chemical element of atomic number 77, a hard, dense silvery-white metal. iridium… See the full definition. It's about time for me to switch out my spark plugs on my Accord and was curious which you guys were running and how you felt about them. Looking for online definition of iridium or what iridium stands for? Here are 4 tips that should help you perfect your pronunciation of 'iridium':. It is niether attacked by any of the acids nor by aqua regia (mixture of nitric acid and hydrochloric acid), but is attacked by molten salts (NaCl & NaCN). View American English pronunciation of iridium. Iridium is a chemical element that has the symbol Ir and atomic number 77. The weakness in performance goes hand-in-hand with increased gas mileage which negates the essence of the plug's design. Iridium was discovered as an impurity in platinum metal by Smithson Tennant in . Petersen, Carolyn Collins. iridium. Translate iridium into Spanish. Statistics for Ir. The meaning of IR is iridium. Iridium is the most corrosion-resistant metal, and was used in the manufacture of standard lengths in meters in Paris, which is a mixture of 90% platinum and 10% iridium. Physical properties of Iridium. Iridium is not affected by air, water and acids. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol). Break 'iridium' down into sounds: [I] + [RID] + [EE] + [UHM] - say it out loud and exaggerate the sounds until you can consistently produce them. This bar was replaced as the definition of the meter in 1960 when the meter was redefined in terms of the orange-red spectral line of krypton-86. Dictionary Entries Near Ir. The definition of iridium now incorporates old "osmiridium" and "ruthenosmiridium" mineral species (all have Ir as the dominant element).See also (hexagonal) rutheniridosmine. (Iridium 'loses its identity' when interfaced with nickel, National Science Foundation) The iridium element occurs as a natural alloy of Platinum and Osmium. n. Symbol Ir A very dense, hard, and brittle, exceptionally corrosion-resistant, whitish-yellow metallic element occurring in platinum ores and used. Iridium is a very hard yellow-white metal, used especially in making alloys. Infoplease knows the value of having sources you can trust. A 3-minute instructional video detailing How to Operate the Iridium Extreme® PTT in French. iridium: A very dense, hard, and brittle, exceptionally corrosion-resistant, whitish-yellow metallic element occurring in platinum ores and used principally to harden platinum and in high-temperature materials, electrical contacts, and wear-resistant bearings. Oakley went above and beyond with the introduction of the new Iridium tinted sunglasses. The iridium definition refers to a chemical element represented by the symbol Ir on the periodic table. It is very dense and rare and is used in platinum alloys. ( countable) A single atom of this element. Skip to content . Looking for definition of iridium? Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. Ir. A relatively small communications satellite has been providing spectacular visible reflective flares/glints to observers on the ground (*refer to respectfully submitted definition for flares/glints).. With only a normal brightness of +6 magnitude (binoculars are useful to spot it), occasionally some of the Iridium satellites provide reflective flares/glints . man, dog, house). Iridium is a rare chemical element and is the most corrosion-resistant element known. - EU RED Type Examination Certificate (9560N) AKTN. Call 8806660757. Definition of Iridium. It is used mainly for scientific and industrial purposes for which resistance to corrosion at high temperatures is needed. definition. Iridium is the most corrosive resistant metal known. Announced in 1990 and completed in 1998 at a cost of $6 billion, Iridium was the first global satellite phone. A precious metal that is extremely resistant to corrosion. A white, silvery metallic element, atomic no. Iridium is a member of the transition series and is one of the densest metals. noun (also Ir) The chemical element of atomic number 77, a hard, dense silvery-white metal. Context examples . Once, gold and platinum were considered to be the exemplars of the pure metals, however, studies have proven that iridium is much better in resisting corrosion than any other metal. Iridium-platinum alloys are hard and corrosion-resistant and are used in jewellery and for electrical contacts. Definition, mass & chemical names. 22. Therefore, most of Oakley's polarized lenses include the iridium coating that helps in reducing glare and enhancing vision. Iridium appears as symbol Ir on the periodic table and has an atomic weight of 192.217 and a density of 22.56 g/cm³, making it the . Check 'Iridium' translations into French. iridium is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary Similar to iridium, the availability and demand of platinum is an increasingly important issue. Really curious if the NGK Ruthenium HX ($8.46) and Laser Iridium ($9.05) are worth their price over the Iridium IX ($5.11). Iridium is a member of the transition series and is one of the densest metals. Check 'Iridium' translations into French. SINCE 1828. How to say iridium. Such flares can be very bright and last only a few seconds. Iridium is extremely rare on the surface of the earth but much more common in meteorites. iridium - Translation to Spanish, pronunciation, and forum discussions. However, its increasing demand is not only, nor even mainly, driven by PEMWE, but rather by the increasing demand for internal combustion engines and related demand for exhaust gas catalysts as well as for fuel cells and jewelry [8,9].Iridium and platinum demands are therefore not directly coupled . iridium (Ir), chemical element, one of the platinum metals of Groups 8-10 (VIIIb), Periods 5 and 6, of the periodic table. The Iridium® lens coatings . UK Luxecity Iridium Kandivali East. Atomic number 77; atomic weight 192.22; melting point 2,446°C; boiling point 4,428°C; specific gravity 22.562 (at 20°C); valence 2 . Exemplos: el televisor, un piso. Information and translations of Iridium in the most comprehensive dictionary definitions resource on the web. 1. Check 'iridium' translations into Kazakh. iridium: 1 n a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium Synonyms: Ir , atomic number 77 Type of: metal , metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. (chemical element) iridio nm nombre masculino: Sustantivo de género exclusivamente masculino, que lleva los artículos el o un en singular, y los o unos en plural. Look through examples of iridium translation in sentences, listen to pronunciation and learn grammar. Iridium is a chemical element with the symbol Ir and atomic number 77. Brands Out of all, NGK, Denso TT, and AC Delco produce iridium spark plugs. NGK is the best out of all for Ruthenium. How to say iridium. Iridium, 77 Ir Iridium; Pronunciation / ɪ ˈ r ɪ d i ə m / (irr-ID-ee-əm) Appearance: silvery white: Standard atomic weight A r, std (Ir): 192.217(2) Iridium in the periodic table If we don't currently have any definitions there is a link to check definitions on Google. : modern Latin, from Latin iris , irid- 'rainbow' (it has this name because it forms compounds of various colours). Go To The Definition Find below definitions and meanings of Iridium. iridium plans uk , iridium phone uk , iridium pronunciation uk , uk realty iridium , iridium rum uk , iridium satellite uk limited , iridium visor uk , uk iridium 99acres Auris Serenity . Check 'iridium' translations into Armenian. Definition (noun) a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium Synonyms: atomic number 77, ir Connect with us on Facebook. Pronunciation of Iridium with 1 audio pronunciation, 4 synonyms, 1 meaning, 8 translations, 4 sentences and more for Iridium. Iridium definition, a precious metallic element resembling platinum: used in platinum alloys and for the points of gold pens. Look through examples of iridium translation in sentences, listen to pronunciation and learn grammar. With its constellation of satellites, Iridium's network connects people and devices in the world's most remote places — and close to home. Iridium is a hard, lustrous, brittle, dense transition metal of the platinum family. For this reason, the standard meter bar was created from an alloy of 90% platinum and 10% iridium. Noun. Definition and synonyms of iridium from the online English dictionary from Macmillan Education. These new lenses have been proven to block 100% of harmful UVA, UVB and UVC rays, with unmatched clarity, reduced distortion and no distractions. Definition of iridium in English: iridium. Also find a similar words the begin with the same characters, end with the same characters, anagrams, reverse anagrams, word scrambles and words with similar letters. Iridium GO! 'Jewellery made of platinum, iridium and . Iridium flares are caused by sunlight glinting from the surfades of low-orbiting Iridium satellites. Iridium is the most corrosive resistant metal known. It is defined as the mass of an international prototype in the form of a platinum-iridium cylinder kept at Sevres in France. A very heavy metal of a whitish colour, found associated with platinum, and named from the variety of colours of its compounds. Pronunciation. Less durable compared to iridium spark plugs. Listen to the audio pronunciation in English. We are Hiring! NGK Laser iridium Ruthenium Definition The NGK Laser Iridium spark plugs are strong and one of the best spark plugs on the market. Iridium satellite number 35 lit up the predawn sky west of Boston at 5 a.m. EST on February 1, 1998, as Sky & Telescope senior editor Dennis di Cicco waited with his camera, taking a 10-minute exposure on Fujichrome 100 slide film through an 80-mm f/2.8 Hasselblad lens working at f/4. Look-up Popularity. (Kilogram, NCI Thesaurus) The scientists discovered a new kind of magnetic state when they created super-thin artificial structures containing iridium and nickel. Ancient South Americans and Ethiopians have used platinum along with iridium. Iridium: One of the transition metals on the periodic table. iridium [mineral] translation in English - English Reverso dictionary, see also 'iridosmium',iridic',irid-',iridosmine', examples, definition, conjugation GAMES & QUIZZES THESAURUS WORD OF THE DAY FEATURES; SHOP Buying Guide M-W Books . (M) Iridium is a global satellite communications company, providing access to voice and data services anywhere on Earth. 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