light beam

Found in Anh - Anh (Wordnet)

Definition Noun : A concentrated, directional ray or column of visible light energy. It is a stream of photons traveling in a straight line, often produced by a source like a lamp, laser, or beacon. Usage A "light beam" is used to describe a clearly defined, narrow shaft of light. It is often visible when light passes through a medium like fog, smoke, or dust, or when it originates from a focus...