Rosin
Concentrate pressed out with heat and pressure. No solvent.
Related terms
- Resin
Concentrate pulled out with a solvent. Live resin is made from fresh-frozen plant. - Hash
Trichome heads separated from the plant and pressed together, the oldest concentrate there is. Ice water hash is made by knocking them loose in ice water and sieving them by size. - Residual solvents
Traces of the solvents used in extraction, such as butane, propane or ethanol, left in a concentrate. Each has a state limit in parts per million.