red book
B2CEFR level
70/100Rarity: rare
TechnicalRegister
The personal child health record given to parents to keep track of a child's growth, development and vaccinations.
Please bring the red book to every appointment so we can update the growth chart.
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 red book on your lock screen, a few a day, with review that makes them stick.
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