(chemistry) Any salt, XNbO₃, of the weak niobic acid. / (chemistry) The univalent anion NbO₃⁻.

plural of niobate

(chemistry) the lithium salt of niobic acid, LiNbO₃, whose transparent crystals are used lasers and other optical devices

(inorganic chemistry) The salt KNbO₃; its crystals have a large nonlinear optical coefficient, and it find use in the manufacture of lasers; nanowires of the substance have been used to produce tunable coherent light.

plural of potassium niobate