morphine definition by Wordo

Noun

A

crystalline

alkaloid

(

7

,

8-didehydro-4

,

5-epoxy-17-methyl-morphinan-3

,

6-diol

),

extracted

from

opium

,

the

salts

of

which

are

soluble

in

water

and

are

used

as

analgesics

,

anaesthetics

and

sedatives

;

it

is

one

of

a

group

of

morphine alkaloids

.