Library / English Dictionary

NIOBIUM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

Synonyms:

atomic number 41; Nb; niobium

Classified under:

Nouns denoting substances

Hypernyms ("niobium" is a kind of...):

metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Hyponyms (each of the following is a kind of "niobium"):

columbium (a former name for niobium)

Holonyms ("niobium" is a substance of...):

columbite; niobite (a black mineral that is an ore of niobium and tantalum)

Credits