et

alumiiniumoksiid

1 substantive

EKI Combined Dictionary 2026

Last modified 19.06.2025

Meanings

vees lahustumatu valge aine, alumiiniumi ja hapniku ühend

Translations

Good to know

Looduses alumiiniumi ehedalt ei leidu, sest õhu käes oksüdeerub ta kiiresti alumiiniumoksiidiks, mis kaitseb metalli edasise hävimise eest. Keemiline valem: Al2O3.

Usage examples
  • Safiir on alumiiniumoksiid, mis jääb kõvadusskaalal alla ainult teemandile.

Terminological databases

EKI terminibaas Esterm

ID 715077 Last modified 15.12.2010
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Domain inorganic chemistry
aluminium oxide preferred
  • a compound in the form of a white powder or colorless hexagonal crystals which melts at 2020°C, is insoluble in water, and in used in the production of abrasives, aluminium, artificial gems, ceramics, electrical insulators, light bulbs, paper, refractories and spark plugs.
alumiiniumoksiid
aluminium oxide preferred
Usage examples
  • The solution is chromatographed on a column of aluminium oxide.
alumina
aluminiumoksidi

Koolisõnastikud 2005–2010

ID 598422 Last modified 10.10.2022
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Domain chemistry
оксид алюминия
  • valge amfoteerne oksiid valemiga Al 2 O 3
оксид алюминия

Materjalitehnika terminibaas

ID 672266 Last modified 16.05.2025
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Domain materials scienceceramic technologypowder metallurgycasting
alumiiniumoksiid preferred
aluminium oxide preferred
aluminum oxide
alumina
окисел алюминия
окись алюминия
оксид алюминия preferred
  • alumiiniumi ja hapniku ühend - Al2O3, mida iseloomustab suur kõvadus (Mohsi skaala järgi 9) ning kõrge sulamistemperatuur 2030 °C ning mis esineb looduslikul kujul mineraalina (korund) või mida toodetakse tehislikult (elektrokorund) (vt boksiit, korund, elektrokorund)
    Good to know
    • Leiab kasutamist tuliste (tulekindlate materjalide) tootmisel, peenestatud kujul valutehnoloogias vormimaterjalina (vt vormiliiv), toormena alumiiniumi tootmisel, abrasiivina jm kus nõutav tugevus ja kõvadus, termiline ja keemiline püsivus.
  • the name of the group of compounds having chemical formula Al2O3; characterized by high hardness (Mohs 9) and melting temperature of 2030 °C and used in natural form (corundum) or as a prepared compound (see: bauxite, corundum, fused alumina)
    Good to know
    • Used in the manufacture of abrasives, refractories, electrical insulators, electronic products, crucibles, laboratory ware, whiteware, glass, cermets, and in a wide variety of other ceramic products in which strength, toughness, thermal durability chemical resistance, and similar properies are of primary importance.
  • название группы веществ, имеющих химическую формулу Al2O3; характеризуются высокой твёрдостью (9 по шкале Мооса) и температурой плавления 2030 °С; имеются материалы как природного происхождения (корунд), так и искусственного (см. боксит, корунд, электрокорунд)
    Good to know
    • Применяются при производстве абразивов, жаропрочных материаловв, электроизоляторов, электрических изделий, тигелей, химической посуды, фарфорофаянсовых изделий, стекла, керметов, а также в большом количестве керамических изделий, для которых важны прочность, вязкость, теплостойкость, устойчивость к химическому воздействию и похожие свойства.
alumiiniumoksiid preferred
alumina
aluminium oxide preferred
aluminum oxide
alumina
Good to know
  • the old ceramic name for aluminium oxide
окисел алюминия
окись алюминия
оксид алюминия preferred
глинозём

Word forms

Inflection Type 22e

alumiiniumoksiid alumiiniumoksiidid
alumiiniumoksiidi alumiiniumoksiidide
alumiiniumoksiidi alumiiniumoksiide ~ alumiiniumoksiidisid

Etymology not available

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Compounds with search word as first component not available

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