a message informing of danger. 1  making known, 2  heads-up, 3  wake-up call, 4  false alarm, 5  alerting, 6  alert, 7  informing, 8  threat, 9  caution, 10  caveat, 11  alarmism, 12  premonition, 13  strategic warning, 14  forewarning, 15  tactical warning.
meperidine is an opioid pain medication an opioid is sometimes called a narcotic meperidine is used to treat moderate to severe pain meperidine may also be used for purposes not listed in this medication guide
Perylene or perilene is a polycyclic aromatic hydrocarbon with the chemical formula C20H12, occurring as a brown solid. It or its derivatives may be carcinogenic, and it is considered to be a hazardous pollutant. In cell membrane cytochemistry, perylene is used as a fluorescent lipid probe. It is the parent compound of a class of rylene dyes.