A male given name, nickname for Nicholas.

A transliteration of a male given name (Νίκος) used in Greece.

An archipelago and union territory of India, in the Bay of Bengal. Capital: Port Blair

A male given name from Ancient Greek, of less common usage, variant of Nicholas.

(biochemistry) pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex

(organic chemistry) An alkaloid (C₁₀H₁₄N₂), commonly occurring in the tobacco plant. In small doses it is a habit-forming stimulant; in larger doses it is toxic and is often used in insecticides.

A female given name from Ancient Greek.

The beliefs of the Nicolaitans, an early Christian group or sect.

A member of an early Christian sect (Nicolaism), said to participate in certain pagan ceremonies.

A female given name from Ancient Greek.