fraction of inspired oxygen
C1CEFR level
85/100Rarity: very rare
TechnicalRegister
The proportion of oxygen in the gas mixture delivered to a patient, expressed as a decimal or percentage.
We were able to wean the fraction of inspired oxygen from 0.8 to 0.4 overnight.
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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