Terms Starting with R

24 terms

A state honoring another state's medical cannabis card — availability varies

Reciprocity medical card

Recognition of out-of-state medical cards by host state — rules vary widely; Maine and Oklahoma are open, most are not

A physician's written endorsement of cannabis — not a prescription, since cannabis remains Schedule I

Recreational cannabis

Colloquial term for non-medical adult-use cannabis — regulators now prefer "adult-use"

Bloodshot eyes from THC-induced vasodilation — the classic visible sign of being high

1930s American slang for cannabis or a cannabis cigarette — origins debated

1936 propaganda film warning of cannabis dangers — now iconic camp comedy

Low-quality cannabis — brown, seedy, minimal trichomes — shortening of "regular"

Non-feminized cannabis seeds that produce roughly 50/50 male and female plants

Reduced tension and calmed affect — has partial pharmacological basis but expectancy-sensitive

Moving cannabis to a less restrictive CSA schedule — Schedule III rulemaking pending as of 2026

Residual solvent testing

Verifying that extraction solvents (butane, ethanol) are purged below safety thresholds

Three meanings: natural trichome exudate, cured solvent extract, or pipe residue

Retrograde signaling

Endocannabinoid signaling from postsynaptic to presynaptic neuron — backwards from typical

Served 31 years of a 90-year Florida sentence for cannabis trafficking — released 2020 at age 71

A forceful inhalation from a bong or dab rig — "rip a bong"

US: the burnt-down end of a joint. UK: the cardboard filter/mouthpiece. Meanings differ by region

First legal medical cannabis patient in the US — won medical necessity defense in 1976

Rohrabacher-Farr Amendment

Annual appropriations rider prohibiting DOJ from interfering with state medical programs

Flat tray with raised edges used to contain loose flower and papers while rolling

Solventless concentrate produced by applying heat and pressure to flower, kief, or hash

Purpose-built extraction device with heated platens and PID temperature control

RSO (Rick Simpson Oil) ⚠️

Dark, full-extract cannabis oil popularized by Rick Simpson — cancer-cure claims unproven

Ruderalis ⚠️

Small, weedy, auto-flowering cannabis populations from Central Asia