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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H

Halogen

Any of the non-metallic elements fluorine, chlorine, bromine, iodine, and astatine existing in a free state - halogens are enclosed within the arc tube of a Metal Halide (MH) lamp.

Hardening-Off

Gradual adaptation of indoor or greenhouse plants to an outside environment.

Hash

Hash or hashish is the resin collected from the flowers of the cannabis plant and a colloquial term. The active ingredient in the hash is Tetrahydrocannabinol (or THC) and hash can be smoked in joints or out of bongs or pipes. The effects of a high caused by smoking hash include sleepiness, pain relief, a feeling of relaxation, and increased appreciation of music and food. Most of the THC from hash is absorbed and catalyzed within the first few seconds of entry into the body, so holding smoke into the lungs for a longer amount of time will not hasten the achieved high.

Hash Oil

Hash oil or cannabis oil is obtained by the extraction of cannabis or hashish. It is a concentrated form of the plant containing many of its resins and terpenes - in particular, Tetrahydrocannabinol (or THC), Cannabidiol (or CBD), and other cannabinoids. There are a variety of extraction methods, but most involve a solvent such as butane or ethanol. Hash oil is usually consumed by smoking, vaporizing or eating but sometimes other methods are employed. Hash oil is sometimes sold in cartridges to be used with pen vaporizers.

Haze

A very popular Sativa strain, often stimulating creative behavior and energizing head highs. It’s thought to originate in various tropical regions of the world, specifically in Mexico, Colombia, and parts of South East Asia. Haze plants are some of the tallest growing varieties of cannabis, often reaching 20 feet (or six meters) tall. Because of its size, it often takes longer to harvest, which makes it one of the more difficult plants to grow. Haze is commonly crossbred with Indica strains to create award-winning strains like Northern Lights. Other popular strains of haze include Super Lemon Haze and XXX.

Head Shop

A retail outlet specializing in paraphernalia used for consumption of cannabis and tobacco and items related to cannabis culture and related countercultures. Products may include magazines (ex. about cannabis culture, cannabis cultivation, tattooing, and music), clothing, and home décor (ex. posters and wall hangings illustrating drug culture themes such as cannabis, jam bands like The Grateful Dead, psychedelic art, etc.). 

Heady Glass

It is a type of an artistic, high-quality glass pipe with unique design and specifications. It offers brilliant color schemes, visual effects and is made in such limited quantities making it extremely valuable. A heady glass gives its users advanced glassblowing techniques like reversals, wig wags, sandblasting, fuming, rettis, honey comb and worked sections etc. making it a one of a kind device.

Heat Cleaning

The process of excessively torching a nail or banger to remove any reclaim or burnt-on residual concentrate.

Heirloom

Refers to a local variety of cannabis that was taken from its native land and propagated in another geographic location while maintaining its original genetics. This means that the strain is pure, having never been crossed and always grown in its natural environment. The landrace strains are commonly named after their native regions (ex. Afghani, Thai, Colombian, Hawaiian, etc.) and the traces of these native strains are sometimes detectable in the names of its crossbred progeny.

Hemp

Cannabis that is typically cultivated for its industrial uses such as oils and topical ointments, as well as fiber for clothing, paper, rope, building materials, and more applications which don’t involve intoxication. As hemp is naturally a high-growing plant, it is usually grown outdoors to maximize its size and yield. The focus is not on producing buds but on building the length of the stalk for fiber production. It has very low levels of Tetrahydrocannabinol (or THC), typically less than 0.3%, but much higher Cannabidiol (or CBD) concentrations.

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