← Back to search

Meaning of niobic acid | Babel Free

Noun CEFR B2

Definitions

the hypothetical acid HNbO₃ derived from niobic oxide Nb₂O₅, only known as its salts, the niobates

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

Niobid niobite Niobium niobium pentachloride niobocarbide niobocene