epidural
B2CEFR level
55/100Rarity: uncommon
TechnicalRegister
Relating to the potential space outside the dura mater into which local anaesthetic may be injected for regional block.
An epidural catheter provided excellent analgesia for the labouring mother and could be topped up for surgery.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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