GCD
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The three letter acronym GCD can refer to:
- In mathematics, gcd is short for greatest common divisor.
- In navigation, GCD is the great circle distance.
- Griffith College Dublin is known as GCD for short.
- GCD is also the Grand Comic Book Database, at http://www.comics.org.
- Global Communications Devices (GCD) is a fabless supplier of highly integrated semiconductor devices used in wireless networking, http://www.gcdchips.com.
- Gardner Carton & Douglas (GCD) is a law firm with offices in Chicago and Washington DC, http://www.gcd.com.