et

ränidioksiid

1 substantive

EKI Combined Dictionary 2026

Last modified 19.06.2025

Meanings

maakoores leiduv värvitu kristalne aine, räni ja hapniku ühend
Synonyms

Translations

Good to know
et
Keemiline valem: SiO2. Looduses esineb ränidioksiid peamiselt kvartsi ja liivana. Mineraale, mille struktuuri kuulub ränidioksiid, nimetatakse silikaatideks.

Terminological databases

EKI terminibaas Esterm

ID 707213 Last modified 30.12.2004
View dataset
View dataset
Domain Chemistry
ränidioksiid preferred
silicon dioxide preferred
silica
silicium dioxide
  • räni ja hapniku ühend, maakoores leiduv värvitu kristalne aine
  • compound of the two most abundant elements in the Earth's crust, silicon and oxygen. It has three main crystalline varieties: quartz (by far the most abundant), tridymite, and cristobalite. Other varieties include coesite, keatite, and lechatelierite.
ränidioksiid preferred
kvarts
silicon dioxide preferred
Usage examples
  • As an additive in the manufacture of tomato juice and tomato concentrate citric acid (E 330) may be used. Furthermore, in the manufacture of: - tomato juice with a dry weight content of less than 7 %, ascorbic acid (E 300) may be used. However, the ascorbic acid content shall not exceed 0,03 % by weight of the finished product, - tomato concentrate in powder form, silicon dioxide (551) may be used. However, the silicon dioxide content shall not exceed 1 % by weight of the finished product.
silica
silicium dioxide
E 551 symbol

Koolisõnastikud 2005–2010

ID 600119 Last modified 16.06.2021
View dataset
View dataset
Domain chemistry
диоксид кремния
  • kõva, keemiliselt väga püsiv mittemolekulaarne värvusetu aine valemiga SiO 2 , esineb põhiliselt kvartsi kujul; liiva põhikoostisaine
диоксид кремния

Materjalitehnika terminibaas

ID 671326 Last modified 12.01.2025
View dataset
View dataset
Domain Chemistrymaterials science
silicon dioxide preferred
кремнeзём preferred
  • enamike maakide aheraine ja valutööstuses kasutatava kvartsliiva peamine koostisosa – ränidioksiid SiO2; esineb viis polümorfset erimit: kvarts (enimlevinud), tridümiit, kristobaliit, koesiit ja stišoviit (vt kvarts; kvartsliiv)
  • the dioxide of silicon (SiO2), the most common mineral in the majority of sands; occurs in five crystalline polymorphs: quartz, tridymite, cristobalite, coesite, and stishovite (see: quartz; quartz sand)
ränidioksiid
silicon dioxide preferred
silica
кремнeзём preferred

Word forms

Inflection Type 22e

ränidioksiid ränidioksiidid
ränidioksiidi ränidioksiidide
ränidioksiidi ränidioksiide ~ ränidioksiidisid

Etymology not available

Related words

Phrases and phrasal verbs not available

Compounds with search word as second component not available

Compounds with search word as first component not available

More similar words

Possible translations not available

Search the same word

in the EU's IATE term base
Searching web examples...
Searching translated usage examples...