cross-match
C2CEFR level
80/100Rarity: very rare
TechnicalRegister
To test a patient's blood against donor blood to confirm compatibility before transfusion.
Send bloods to cross-match four units in case theatre is needed.
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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