the act of systematically moving a finely focused beam of light or electrons over a surface in order to produce an image of it for analysis or transmission
the process of translating photographs into a digital form that can be recognized by a computer
a device for showing the operating condition of some system
a signal for attracting attention
(chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction
obvious to the eye or mind; "a tower conspicuous at a great distance"; "wore conspicuous neckties"; "made herself conspicuous by her exhibitionistic preening"
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
piece of metal held in horse's mouth by reins and used to control the horse while riding; "the horse was not accustomed to a bit"
a small fragment of something broken off from the whole; "a bit of rock caught him in the eye"
a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states; "there are 8 bits in a byte"