Although the term opiate is often used as a synonym for opioid, the term opiate is properly limited to the natural alkaloids found in the resin of the Papaver somniferum (opium poppy), while opioid refers to synthetic substances.any of the alkaloids and other derivatives of the opium poppy are not opioids or narcotics; the best example is the smooth-muscle relaxant papaverine. Noscapine is a marginal case as it does have CNS effects but not necessarily similar to morphine, and it is probably in a category all its own.
Definition of modify for English Language Learners. : 1  to change some parts of (something) while not changing other parts. 2  grammar : to limit or describe the meaning of (a word or group of words)
paste definition: The definition of a paste is a soft, moist substance that can be food, dough or an adhering substance. (noun) An example of paste are almonds pounded until they are a creamy mixture. An example of paste is glue. ...