narceine

[ nahr-see-een, -in ]

/ ˈnɑr siˌin, -ɪn /

noun Pharmacology.

a narcotic alkaloid, C23H27NO8, occurring in opium and acting as a mild relaxant on smooth muscle.

Nearby words

Origin of narceine

< French narcéine (1832), irregular < Greek nárkē numbness (see narco-) + French -ine -ine²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for narceine

On boiling the filtered solution, to expel the ammonia, and evaporating the liquid, crystals of narceine are gradually deposited.
Cooley's Practical Receipts, Volume II|Arnold Cooley
The precipitates produced in solutions of narceine and codeine are crystalline and very characteristic.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
Narceine forms good crystals, the form being that of long, four-sided rhombic prisms or fine bushy united needles.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
Narceine forms precipitates with bichromate of potash, chloride of gold, bichloride of platinum, and several other reagents.
Poisons: Their Effects and Detection|Alexander Wynter Blyth

Papaverine, laudanosine, narcotine, and narceine are four other alkaloids found in opium.
The Chemistry of Plant Life|Roscoe Wilfred Thatcher

British Dictionary definitions for narceine

narceine

narceen

/ (ˈnɑːsiːn) /

noun

a narcotic alkaloid that occurs in opium. Formula: C 23 H 27 O 8 N

Word Origin for narceine

C19: via French from Greek narkē numbness

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012