2. (foll by with) to associate (oneself) or be associated, esp as a subordinate or subsidiary; bring or come into close connection: he affiliated himself with the Union. b. (as modifier): an affiliate member.
Opiate is a term classically used in pharmacology to mean a drug derived from opium. Opioid, a more modern term, is used to designate all substances, both natural and synthetic, that bind to opioid receptors (including antagonists}. Opiates are alkaloid compounds naturally found in the opium poppy plant Papaver somniferum.
Opium is a drug made from the poppy plant. Poppies grow in many different countries but most poppies today are used to make heroin and opium is much less popular than in was i â¦ n the past. In the past opium was widely used for both medical and recreational purposes.