Industry Terms

Industry Terms & Commonly Used Slang

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.

Browse the glossary using this index

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Phosphorus (P)

One of the three primary macronutrients that promote root and flower growth in cannabis plants.


The relationship between the length of light and dark in a 24-hour period - affects the growth and maturity of cannabis.


The building of chemical compounds (carbohydrates that plants need for growth) from light energy, water and carbon dioxide (or CO2).


The environmental response movement of a cannabis plant toward or away from a light source.


The arrangement of leaves on a stem and the principles that govern such arrangement, phyllotactic spirals form a distinctive class of patterns in nature.


A phytotron is an enclosed research greenhouse used for studying interactions between cannabis plants and the environment. It was a product of the disciplines of cannabis plant physiology and botany.


A pinner is a thin joint rolled tightly with a small amount of cannabis. If one is low in cannabis content but still wants to roll the last bit of the supply, it results in a pinner. Some use the term to refer to the lowest quality cannabis.


Pistils are part of a female plant’s anatomy. On cannabis, it’s identified as the little hair-like extensions on the flowers that range in color from white to red to darker orange-brown. When plants are going to be fertilized, the pistil acts to collect the male pollen. When plants are left unfertilized, the pistils change and can be indicators of plant ripeness.


Female cannabis plant, having pistils but no functional stamens.


Fine, yellow, dust-like microspores containing male genes.

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