to tell; to instruct; to command

phenazine (loanword)

fentanyl (loanword) (Tw)

porphin C20H14N4 (loanword)

thiophene (chemistry) (loanword)

benzothiophene C8H9, a heterocyclic compound (with one benzene ring and one cyclopentene ring)

(pharm.) cefalotin (aka cephalothin)