- A drug used to treat moderate to severe pain. Opioids are similar to opiates such as morphine and codeine, but they do not contain and are not made from opium.
English dictionary of cancer terms . 2015.
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opioid — opioíd s. n., pl. opioíde Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic … Dicționar Român
opioid — 1957, from OPIUM (Cf. opium) + OID (Cf. oid) … Etymology dictionary
opioid — [ō′pē oid΄] adj. designating or of a group of natural or synthetic biochemicals, esp. endorphins, that relieve pain in the same way that opiates do n. any such biochemical … English World dictionary
Opioid — Endogenous opioid peptides Skeletal molecular images Adrenorphin Amidorphin Casomorphin … Wikipedia
Opioid — Schlafmohn, Papaver somniferum, aus dessen Milch Opioide gewonnen werden Opioid (von gr. ὄπιον [ˈɔpiɔn] und … Deutsch Wikipedia
Opioid — 1. A synthetic narcotic that resembles the naturally occurring opiates. 2. Any substance that binds to or otherwise affects the opiate receptors on the surface of the cell. * * * Originally, a term denoting synthetic narcotics resembling opiates… … Medical dictionary
opioid — I. adjective Date: 1967 1. possessing some properties characteristic of opiate narcotics but not derived from opium 2. of, involving, or induced by an opioid II. noun Date: 1967 1. any of a group of endogenous neural polypeptides (as an endorphin … New Collegiate Dictionary
opioid — /ˈoʊpiɔɪd/ (say ohpeeoyd) noun 1. an endogenous peptide with pain relieving properties similar to morphine. 2. → opiate (def. 2). –adjective 3. of or relating to such a substance: opioid receptor; opioid analgesic … Australian English dictionary
opioid — I. ˈōpēˌȯid adjective Etymology: opiate (II) + oid 1. : possessing some properties characteristic of opiate narcotics but not derived from opium 2. : of, involving, or induced by an opioid II. noun … Useful english dictionary
opioid — n. any substance similar to opium; natural substance produced in the body in response to stress or pain; synthetic drug with effects similar to those of opium adj. having characteristics similar to that of opium; caused by an opioid peptide,… … English contemporary dictionary
opioid — /oh pee oyd /, n. Biochem, Pharm. 1. any opiumlike substance. 2. any of a group of natural substances, as the endorphins, produced by the body in increased amounts in response to stress and pain. 3. any of several synthetic compounds, as… … Universalium