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epicyclic train
epicycloid
epidemic
epidemiology
epidermis
epidiascope
epididymis
epidote
epidural
epifauna
epifocal
epigamic
epigastrium
epigeal
epigene
epigenesis
epigenetic
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epidural

ep·i·du·ral [ èppi drəl ]


noun  (plural ep·i·du·rals)
Definition:
 
anesthetic injection into spine: a local anesthetic injected into the space between the outer membrane covering the spinal cord and the overlying bones of the spine. It is often used in childbirth.



adjective 
Definition:
 
on the dura mater: located on or outside the outermost membrane covering the brain and spinal cord dura mater

[Late 19th century. <epi- + dura<dura mater]
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