orthostatic
C2CEFR level
85/100Rarity: very rare
TechnicalRegister
Relating to or caused by an upright posture, as in a drop in blood pressure on standing.
Her orthostatic hypotension meant I asked her to sit for a moment before mobilising.
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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