(noun) a straight line segment whose length is magnitude and whose orientation in space is direction
(noun) any agent (person or animal or microorganism) that carries and transmits a disease
(noun) (genetics) a virus or other agent that is used to deliver DNA to a cell
Definitions for Laser
(noun) an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light