Dictionary.com

codeine

[ koh-deen ]
/ ˈkoʊ din /
Save This Word!

noun Pharmacology.
a white, crystalline, slightly bitter alkaloid, C18H21NO3, obtained from opium, used in medicine chiefly as an analgesic or sedative and to inhibit coughing.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also co·de·ia [koh-dee-uh], /koʊˈdi ə/, co·de·i·na [koh-dee-ee-nuh]. /ˌkoʊ diˈi nə/.

Origin of codeine

1830–40; <Greek kṓde(ia) head, poppy-head + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use codeine in a sentence

British Dictionary definitions for codeine

codeine
/ (ˈkəʊdiːn) /

noun
a white crystalline alkaloid prepared mainly from morphine and having a similar but milder action. It is used as an analgesic, an antidiarrhoeal, and to relieve coughing. Formula: C 18 H 21 NO 3

Word Origin for codeine

C19: from Greek kōdeia head of a poppy, from kōos hollow place + -ine ²
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

Scientific definitions for codeine

codeine
[ kōdēn′ ]

An alkaloid narcotic derived from opium or morphine and used primarily as an analgesic and a cough suppressant. Chemical formula: C18H21NO3.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for codeine

codeine
[ (koh-deen) ]

A drug obtained from opium or morphine that is used as a pain reliever and cough remedy.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK