Niobium Meaning
/naɪˈoʊbiəm/Definition, CEFR level B2, pronunciation, examples, and quiz.
Listen pronunciation
Definition
nounA chemical element (symbol Nb) with an atomic number of 41: a light grey, crystalline, ductile transition metal used in superconducting materials.
nounA single atom of this element.
Sentence Examples
Niobium is a chemical element with the symbol Nb.
CEFR Practice Quiz
The metallic element with atomic number 41, used in superconductors, is known as ____.
CEFR Practice Quiz (Alternate)
____ is a chemical element used in some medical and industrial alloys.
Word Origin & History
From Niobe + -ium, because of the element's affinity with tantalum, named after Niobe's father Tantalus.
Literary Quotations & Historical Citations
"One should use hypoallergenic jewelry made of surgical grade stainless steel, titanium, 14- or 18-karat gold, or niobium, especially for initial piercings."
— 2024, David Golinkin, “Is Body Piercing Permitted According To Jewish Law”, in Responsa in a Moment, volume 4, page 196:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The metallic element with atomic number 41, used in superconductors, is known as ____.
CEFR Practice Quiz (Alternate)
____ is a chemical element used in some medical and industrial alloys.