Scratching your head over what “kief” is?Since many of our learners are newbies in the cannabis industry, you might see confusing words or phrases in the community. Browse our glossary to find a variety of cannabis term definitions and become more educated on industry terminology. This glossary will clear up the confusion and get you speaking like a native GC'er in no time! Also, please add new glossary terms if you see anything missing.
A closed-loop extraction system that recycles solvent or Carbon Dioxide (or CO2) in a closed system, instead of releasing it into the air. Most commonly referring to butane or propane extraction, closed-loop extraction is a chemical extraction process that recycles hydrocarbon solvent or CO2 in a closed system.
The cola is the large flower cluster at the top of a cannabis plant's main stem (larger side branches can also contain cola nugs). The cola is heavily-coated in kief, which makes it both the strongest and tastiest part of a cannabis plant to smoke. Mexican and North American slang word for cannabis flow top - 'cola' in Spanish actually means tail.
A poisonous alkaloid from the autumn crocus, used in plant breeding to induce polypoid mutations.
For cannabis plants, air temperatures below 50 F (10 C).
An unheated outdoor structure usually clad in glass or clear plastic used to protect and acclimatize cannabis seedlings and plants.
The storage of products requiring a specific storage temperature or required to be stored frozen.
Colony Forming Unit (CFU)
A microbiological term that describes the formation of a single macroscopic colony after the introduction of one or more microorganisms to a microbiological growth medium. One colony forming unit is expressed as one (1) Colony Forming Unit (or CFU).
The band of colors (measured in Nm) emitted by a light source.
A coloring agent that is added to many commercial fertilizers so the horticulturist knows there is fertilizer in the solution.
The process of burning a material - combustion occurs when smoking flower.