Columbite

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
  2. 2
    a black mineral that is an ore of niobium and tantalum wordnet

Synonyms

All synonyms
dianiteferrocolumbiteferrocolumbitegreenlanditeniobiteniobite

Etymology

From columbium (“niobium”) + -ite.

Related phrases

columbite-tantalite

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.