Real Dictionary

laser
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium. The photons involved in the emission process all have the same energy and phase so tha
ability or capacity to do something [...]
an optical instrument that uses a lens or combination of lenses to produce a magnified image of a small, close object. Modern optical microscopes have magnifications of about 1500 to 2000 [...]
having a common focus or common foci [...]
the act of examining with a scanner [...]
the action or process of desorbing [...]
countable noun: A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such as surgery and telecommunications.