FiO2

English

Etymology

Initialism of fraction [of] inspired + O2 (“oxygen”).

    Etymology tree
    Middle English fraccioun
    English fraction
    Proto-West Germanic *ab
    Old English æf
    Old English of
    Middle English of
    English of
    English inspired
    Proto-Indo-European *h₂eḱ-der.?
    Ancient Greek ὀξύς (oxús)
    Proto-Indo-European *ǵenh₁-
    Proto-Indo-European *-os
    Proto-Indo-European *ǵénh₁os
    Proto-Hellenic *génos
    Ancient Greek γένος (génos)
    French oxygènebor.
    English oxygen
    English FiO2

    Noun

    FiO2 (plural FiO2s)

    1. Initialism of fraction of inspired oxygen.

    Derived terms

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