kb

noun

1. 1.(etc.) A set of keys used to operate a typewriter, computer etc.
2. 2.A component of many instruments including the piano, organ, and harpsichord consisting of usually black and white keys that cause different tones to be produced when struck.
3. 3.A device with keys of a musical keyboard, used to control electronic sound-producing devices which may be built into or separate from the keyboard device.
4. 4.A unit of pressure equal to 1,000 bars (Symbol: kb)
5. 5.A length of double-stranded DNA containing two thousand nucleotides, one thousand on each strand