reduction to practice
C2CEFR level
92/100Rarity: very rare
TechnicalRegister
The point at which an invention is either actually built and shown to work or fully set out in a patent filing.
Conception was in March, but reduction to practice didn't come until the prototype ran in June.
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 reduction to practice 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.