intrathecal
C2CEFR level
92/100Rarity: very rare
TechnicalRegister
Situated within or introduced into the cerebrospinal fluid within the subarachnoid space.
An intrathecal opioid was added to the local anaesthetic to prolong postoperative analgesia.
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.
Get words like intrathecal on your lock screen, a few a day, with review that makes them stick.
Download on the App Store Lexfall puts a new word on your home and lock screen through widgets, so you learn without opening an app. Free to download. After a free trial, a subscription unlocks every field. Built for iPhone, iOS 15.1 or later.
On a computer?Scan with your iPhone camera.