Top Definition
A very potent strain of marijuana grown with hydroponics making it all that more powerful.
I took one deep hit of that hydrochronic and coughed like a bitch
by sebastiancee December 28, 2007
Name for marijuana that was grown using a hydroponic system.

Hydrochronic is a play on words. A common nickname for very good marijuana is chronic and that fit very easily into the word hydroponic.
DUDE! My friend got me some hydrochronic!
by Cody May 18, 2004
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