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.
The hard disk drive is the main, and usually largest, data storage hardware device in a computer. The operating system, software titles, and most other files are stored in the hard disk drive. HDD (abbreviation), hard drive, hard disk, fixed drive, fixed disk, fixed disk drive. The hard drive is sometimes referred to as the C drive due to the fact that Microsoft Windows designates the C drive letter to the primary partition on the primary hard drive in a computer by default.