(computing) New I/O

(UK) Initialism of Northern Ireland Office.

Containing or producing niobium.

(mineralogy) Describing minerals containing niobium

(mineralogy) Describing minerals containing niobate anions

A crying woman; a woman who is bereaved or inconsolable.

(Greek mythology) A daughter of Tantalus, said to have turned into stone while weeping for her children. / (astronomy) 71 Niobe, a main belt asteroid. / A female given name

(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.

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

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