Glossary O

Opinion Evidence refers to evidence which generally is inadmissible in court, opinions can be provided by lay and expert witnesses
Opinions are beliefs that are tentative and modifiable in light of new information and, therefore, reasonable according to Nietzsche. Please see also Convictions.

Opioid is defined as a chemical such as opium, heroin, and other molecules with related structures that reduce pain and induce feelings of euphoria.

Opioid are systems responsive to opiate drugs and similar chemicals

opioid use disorder refers to cognitive, biological, behavioral, and social problems associated with the use and abuse of opiates and their synthetic variants.

Opioids are substances that include morphine and heroin, producing euphoria followed by a tranquil state; in severe intoxication, can lead to unconsciousness, coma, and seizures; can cause withdrawal symptoms of emotional distress, severe nausea, sweating, diarrhea, and fever

Opium refers to the dried sap produced by the poppy plant

Opium poppy is a plant cultivated for centuries, primarily in Eurasia, for Opium, a narcotic that acts as a central nervous system depressant