et

nioobium

1 substantive

EKI Combined Dictionary 2026

Last modified 12.02.2025

Meanings

helehall hästi töödeldav keemiliselt inertne metall, keemiline element järjenumbriga 41
Synonyms
  • Nb symbol

Translations

Good to know

Uusladina niobium < kreeka Niobe 'igavesti pisaraid valav naine Vana-Kreeka mütoloogias'.

Usage examples
  • Kontsern on keskendunud tantaali, nioobiumi ja haruldaste muldmetallide tootmisele.

Terminological databases

EKI terminibaas Esterm

ID 732175 Last modified 03.09.2015
View dataset
View dataset
Domain inorganic chemistry
nioobium
Nb
niobium preferred
columbium former
Nb
niobium preferred
columbium former
niobium preferred
kolumbium former
  • keemiline element, hästi töödeldav helehall metall, stº 2477 ºC, tihedus 8,57 Mg /m3
  • a soft, greyish-white chemical element, atomic number 41, which is one of the transition metals, occurs in tantalite, columbite, and other minerals, and is used in superconducting alloys
nioobium
Nb symbol
niobium preferred
columbium former
Good to know
  • The official IUPAC name is niobium (Nb), adopted as late as 1950, but the North American metals industry still calls it columbium.
  • Name obsolete in Europe.
Nb symbol
niobium preferred
columbium former
Niob
niobium preferred
kolumbium former

Materjalitehnika terminibaas

ID 672774 Last modified 12.02.2025
View dataset
View dataset
Domain non-ferrous metalsChemistrymaterials science
  • haruldane muldmetall, sümbol Nb, järjenr. 41, aatommass 92,91, sulamistemperatuur 2477 oC, suhteline tihedus 8,55
  • rare metallic element, symbol Nb, atomic no. 41, relative atomic mass 92.91, melting point 2477 oC, relative density 8.55
nioobium
niobium

Word forms

Inflection Type 19

Sõna lõpp hääldub kahe silbina: [bi-um].

nioobium nioobiumid
nioobiumi nioobiumide
nioobiumi nioobiume

Inflection Type 2e

Sõna lõpp hääldub ühe silbina: [bium].

nioobium nioobiumid
nioobiumi nioobiumite
nioobiumit nioobiumeid

Etymology

laensõna
  • nioobium Tantalose tütre Niobe järgi antiikmütoloogias
    • niobium 'nioobium' ( Heinrich Rose 1846 )

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