Buprenorphine (Subutex Â®) and buprenorphine and naloxone (Suboxone Â®) are used to treat opioid dependence (addiction to opioid drugs, including heroin and narcotic painkillers).
virescent â(comparative more virescent, superlative most virescent) 1  Green-like, greenish. 2  Becoming green.
iridescent. 1  burele, eggshell, iridial, light, nacre, opalescent, pastel, pearl-like, rainbowlike, simple, soft-hued, subtle. 2  Definition adj. varying in color when seen in different lights or from different angles.