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narceine

[ nahr-see-een, -in ]

noun

, Pharmacology.
  1. a narcotic alkaloid, C 2 3 H 2 7 NO 8 , occurring in opium and acting as a mild relaxant on smooth muscle.


narceine

/ ˈnɑːsiːn /

noun

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


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Word History and Origins

Origin of narceine1

< French narcéine (1832), irregular < Greek nárkē numbness ( narco- ) + French -ine -ine 2
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Word History and Origins

Origin of narceine1

C19: via French from Greek narkē numbness
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Example Sentences

Papaverine, laudanosine, narcotine, and narceine are four other alkaloids found in opium.

The precipitates produced in solutions of narceine and codeine are crystalline and very characteristic.

Ammonia dissolves only traces of morphine; but narceine and codeine readily.

Narceine forms good crystals, the form being that of long, four-sided rhombic prisms or fine bushy united needles.

Crude narceine may be purified by means of the sodium salt; the latter is dissolved in alcohol and precipitated with ether.

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Narcannarcissism