Cannabis glossary

Powdery mildew is a fungal disease that affects cannabis plants, causing a white, powdery growth on leaves and stems.

PPFD is the number of photons in the 400–700 nm range that reach a square metre per second, crucial for plant growth.

One-sentence definition: Pre-flower is the stage in cannabis cultivation when plants show early signs of flowering, typically marked by the appearance of pistils.

A pre-press mold is a tool used to shape cannabis material before extraction, improving efficiency and yield.

A pre-roll is a ready-made cannabis joint, typically sold in dispensaries, for immediate consumption.

Price per gram refers to the cost of one gram of cannabis, commonly seen on store menus and online listings.

Price per mg THC is a cost metric for cannabis products calculated by dividing the price by the total milligrams of THC.

A processor in the cannabis industry transforms raw cannabis into products like edibles, concentrates, and packaged flower.

A product recall is a process of removing defective or unsafe cannabis products from the market to ensure consumer safety.

Provincial distributors (OCS, BCLDB, AGLC, SQDC, NSLC, etc.) are government-run entities that manage the distribution of legal cannabis within their respective Canadian provinces.

Pythium (root rot) is a fungal-like organism that causes root decay, affecting plant health and growth.

Quercetin is a naturally occurring flavonoid found in many plants, including cannabis, known for its antioxidant properties.

Rack dry refers to the process of drying cannabis by hanging branches on racks in a controlled environment.

Definition: RDWC, or Recirculating Deep Water Culture, is a hydroponic system where cannabis plants grow in oxygenated, nutrient-rich water.

A recall class is a category that defines the severity and nature of a product recall.

A receptor agonist is a substance that binds to and activates a receptor, mimicking the action of naturally occurring substances.

Red-eye refers to the common side effect of cannabis consumption where the user's eyes appear red.

One-sentence definition: Reggie is a slang term for low-quality cannabis with low THC content, often dry and lacking in aromatic and visual appeal.

Residual solvents are chemicals that may remain in cannabis products after the extraction process.

Resin is a sticky, sap-like substance produced by cannabis plants that contains cannabinoids and terpenes.