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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Dab (or Dabbing)

The process of smoking cannabis concentrates like butane harsh oil, budder, wax or shatter by placing a ‘dab’ of cannabis concentrate onto a heated surface is known as a nail. The super-high concentrates are made by extracting Tetrahydrocannabinol (or THC) which is a strong psychoactive chemical compound and through a process that uses hydrocarbons as the solvent. Dabbing provides a different and more powerful high than smoking buds or flowers thus one should know their limits so as not to overdo it.


It is a long, pointy tool used to place the cannabis concentrates to a heated surface or nail while you suck the bong to get the smoke - it’s made of glass or metal and helps a user to dab safely without risking getting hurt.


Fungus disease that attacks young cannabis seedlings and clones causing the stem to rot at the base - over-watering is the main cause of damping-off.


A term used by people who regularly get high to refer to something of superior quality. More specifically, it can be used to refer to very strong smelling and thus high-quality cannabis. Dank would be synonymous with words like remarkable and awesome.

Decarboxylate (or Decarbing)

Decarboxylation of cannabis involves exposure of the cannabinoids to extremely hot temperatures (like smoking), thus removing the acidic component of the compound and converting it into a more desired cannabinoid. Acidic compounds such as Tetrahydrocannabinolic Acid (or THCA) and Cannabidiolic Acid (or CBDA) are transformed into Tetrahydrocannabinol (or THC) and Cannabidiol (or CBD) respectively. Once cannabis decarboxylated, it can be used in edibles or tinctures.


To rot or decay, etc., through organic chemical change.


To remove moisture from the air.


To remove water from cannabis plants' foliage.


To exhaust soil of nutrients, making it infertile - once the soil is used to grow a cannabis garden, it is depleted.


To cause to dry up - insecticidal soap desiccates its victims.


Liquid soap concentrate used as a wetting agent for sprays and water or a pesticide - detergent must be totally organic to be safe for cannabis plants.


The process of removing waxes and lipid fats from concentrates to create a purer, more stable product - dewaxing is typically conducted when creating shatter.


A period of cannabis plant dormancy during which growth or development is suspended or diminished.


It is a Sativa strain named after its pungent diesel-like aroma - it a great pick for those looking for a mood-boosting high with a heightened clarity of mind and the most well-known variety of diesel is 'Sour Diesel.'


A component of many bubblers, bongs, and water pipes that aids in cooling the smoke prior to inhalation, thus making it a smoother hit for your lungs. The diffuser is usually located at the bottom of the downstem, touching the water, and this diffusion allows for air to escape. There are several different types of diffusers, some with more holes than others, but all of them have the same purpose: to provide additional surface area for the formation of bubbles, which helps air flow through the smoking device for a smoother hit.


A population consisting of gynoecious and androecious plants.


A condition where separate sexes occur on separate individual cannabis plants - each plant displays a single gender.

Direct Current (or DC)

A continuous electric current that only flows in one direction.


Cannabis plant sickness of any kind.


A dispensary is a store that legally sells cannabis in a variety of forms, as well as other products, including paraphernalia and clothing. Depending on where you are in the country, one will find medical and recreational dispensaries, which offer products to patients or to the public, respectfully. Locations can greatly differ from one another, but almost all will feature a secure point of entry and one or more display rooms with multiple product offerings.

Ditch Weed

Ditch weed refers to wild, scattered cannabis with low cannabinoid levels that normally grows by the roadside or in the fields - it descended from industrial hemp plant widely cultivated for fiber. 


A dabbing tool with a glass hood that is placed around the nail, and a tiny opening in the top that helps capture and direct the vapor through the rig when it comes off the nail - domes can often be very intricate pieces of art as they are made of glass.

Domeless Nail

A device combining the dome and nail that were originally separate entities. It is usually made from a heat-resistant material such as glass or ceramic and the domeless nail is used for dabbing and allows an individual to inhale smoke through a hole above a narrow section that the substance is dabbed into. Overall, the single piece reduces the mess and frustration of burning your fingers when adjusting the nail and dome combination.


A term used by older individuals and past generations to refer to a joint - the term is still used in certain circles, but its precedence has largely fallen off in recent years, perhaps because it sounds so silly.


Amount of fertilizer, insecticide, etc. given to a cannabis plant, usually in a water solution.

Double Potting

A two-pot transplanting technique that minimizes root disturbances.

Double-Ended Lights

High-Pressure Sodium (or HPS) light designed to deliver high-intensity and supplemental lighting in greenhouse cannabis production. The lights attach to the greenhouse fixture at both ends to increase light intensity for better plant growth. Double ended lights are the latest evolution of traditional cannabis lighting that was developed to make traditional lighting more competitive with Light-Emitting Diode (or LED) lights.


The piece that connects the bowl to the water source. The smoke travels from the bowl containing cannabis through the downstem and into the water so that you can inhale from the bong or bubbler and take in cannabis smoke in a lighter and smoother form. Only devices that involve water filtration require downstems.


To the empty soil of excess water - good drainage allows water to pass through the soil, evenly promoting plant growth and bad drainage is where water stands in the soil, actually drowning roots.

Drip Irrigation System

An efficient watering system that employs a main hose with small water emitters (tiny holes) which meter out water one drip a time at regular, frequent intervals.

Drip Line

A line around a plant directly under its outermost branch tips - roots seldom grow beyond the drip line.


Dronabinol – trade names Marinol and Syndros – is a synthetic form of Tetrahydrocannabinol (or THC) approved as an appetite stimulant for people with Acquired Immune Deficiency Syndrome (or AIDS) and antiemetic for people receiving chemotherapy. THC is the principal psychoactive constituent of cannabis and the term also refers to cannabinoid isomers. 

Drug Paraphernalia

A term to denote any equipment, product or accessory that is modified for making, using, or concealing drugs, typically for recreational purposes. Paraphernalia generally falls into two categories - user-specific products and dealer-specific products.

Dry Ice

Cold, white solid substance formed when carbon dioxide (or CO2) is compressed and cooled - dry ice changes into CO2 gas at room temperatures.

Dry Sieve Hash

Dry sieve hash or dry sift is a form of non-solvent hash comprised of extracted cannabis trichomes, parts of the cannabis plant that contain the active compound Tetrahydrocannabinol (or THC) and other cannabinoids like Cannabidiol (or CBD), Cannabinol (or CBN), and Cannabigerol (or CBG). It is done through a technique involving the use of a screen or sieve that mechanically splits the trichome heads from the cannabis plant. The powdery, crystalline resin is captured as it falls from the plant and is referred to as the dry sieve hash.

Dry Soil Pocket

A small portion of soil that remains dry after watering - dry soil pockets may be remedied by adding a wetting agent (soap) to water and/or waiting 15 minutes between watering.


A hand-held wooden box that holds a small one-hitter and a limited amount of ground cannabis in two different sections. A user would slide open the dugout, pull out the commonly spring-loaded pipe and pack it by pressing it into the compartment containing the bud. Dugouts are popular because of its semi-discreetness and level of easiness to use.

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