The result is a pale blue luminescence whenever the solution meets blood, which itself is a consequence of a chemical reaction that the blood gives a helping hand to. Here, we look at this reaction â and what horseradish has to do with it. Luminol, known chemically as 5-Amino-2,3-dihydro-1,4-phthalazinedione, isnât used in the CSIâs mysterious spray bottle on its own. Itâs joined by a number of other chemicals which are just as vital for the reaction to take place.
â¢ DISK DRIVE (noun) The noun DISK DRIVE has 1 sense: 1. computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it. Familiarity information: DISK DRIVE used as a noun is very rare.
1. 'disc' or 'disk': a flat circular object. In British English, a disc is a flat circular object. A traffic warden pointed out that I had no tax disc on the windscreen. In American English, this word is spelled disk. 2. 'compact disc'. In both British and American English, a flat shiny object that stores music is called a compact disc.