Cannabis glossary

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.

A retailer is a licensed business that sells cannabis products directly to consumers.

A retention sample is a portion of a cannabis product kept for future testing or validation.

A returns policy outlines the conditions under which customers can return products to a retailer.

Reveg (re-vegetation) is the process of returning a cannabis plant to its vegetative state after it has begun flowering.

RH (relative humidity) is the percentage of water vapour present in the air compared to the maximum amount the air can hold at a given temperature.

A roach is the small, leftover end of a smoked joint, often saved for later use.

Rockwool/stonewool is a man-made growing medium made from spun basalt rock and is commonly used in hydroponic cannabis cultivation.

Rolling papers are thin sheets used to roll cannabis into joints for smoking.

A rolling tray is a flat, often decorative surface used for preparing cannabis joints or blunts.

A rooting hormone is a substance used to stimulate root growth in plant cuttings.

Rose is a term used to describe a floral aroma or flavour profile often found in certain cannabis strains.

Rosin is a solventless cannabis extract made by applying heat and pressure to the plant material.