Tantalum

//ˈtæntələm// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A chemical element (symbol Ta) with atomic number 73: a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. countable, uncountable
  2. 2
    a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite wordnet

Synonyms

All synonyms
atomic number 73goldironleadmetalsilver

Example

More examples

"Tantalum is a chemical element of the symbol Ta."

Etymology

A New Latin word derived by Swedish chemist Anders Gustaf Ekeberg in 1802, from Latin Tantalus, named after Tantalus, alluding to the element's incapacity to absorb acid. See -ium.

Related phrases

eka-tantalumtantalum carbidetantalum dioxidetantalum lamptantalum oxidetantalum pentachloridetantalum pentoxideatomic number

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