vitreous
C1CEFR level
60/100Rarity: rare
TechnicalRegister
The clear gel-like substance that fills the large cavity between the lens and the retina.
Those drifting specks are usually harmless strands within the vitreous.
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 vitreous 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.