electrolyte
B2CEFR level
50/100Rarity: uncommon
TechnicalRegister
A mineral in body fluids, such as sodium or potassium, that carries an electrical charge and regulates key functions.
We monitored his electrolyte levels closely during the first days of feeding.
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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