Table 5.
Vocabulary of drug-tampering methods. Expansion terms referring to the same drug-tampering method are grouped in the corresponding transformation classes (original candidate expansion set comprised 179 unique terms).
| Transformation | Terms |
| Brew | brewa, brewer, homebrewa |
| Concentrate | concentratea, concentrate, concentration, purify |
| Dissolve | desolve, dilute, disolve, disolved, disolves, dissolvea, solute, solution, soluble, soluable |
| Evaporate | evap, evaporate |
| Extract | cwea, extracta, extract, extraction |
| Grind | chop, crusha, crushable, crusher, grinda, grinded, grinder, ground, pulverize |
| Heat | boil, heata, melt, microwave, overheat, simmer |
| Infusion | infuse, infusiona, tea, tincture |
| Peel | peal, peel, shave |
| Soak | soaka, submerge |
| Wash | rewash, rinse, wash |
aSeed term K.