S/F

See also: sf

English

Etymology

From S/F ratio.

    Etymology tree
    Proto-Indo-European *per-der.
    Ancient Greek περί (perí)
    Ancient Greek περῐ- (perĭ-)
    Proto-Indo-European *bʰer-
    Proto-Indo-European *bʰéreti
    Proto-Hellenic *pʰérō
    Ancient Greek φέρω (phérō)
    Ancient Greek περιφέρω (periphérō)
    Proto-Indo-European *-os
    Proto-Indo-European *-ēs
    Ancient Greek -ης (-ēs)
    Ancient Greek περιφερής (peripherḗs)
    Proto-Indo-European *-h₂
    Proto-Indo-European *-ih₂der.
    Ancient Greek -ια (-ia)
    Ancient Greek περιφέρεια (periphéreia)bor.
    Latin peripheriabor.
    Middle French peripheriebor.
    English periphery
    Proto-Italic *-ālis
    Latin -ālisbor.
    Old French -albor.
    Latin -ālis
    Old French -elbor.
    Latin -ālisbor.
    Middle English -al
    English -al
    English peripheral
    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
    Late Latin saturatiobor.
    English saturation
    English SpO2
    Middle English fraccioun
    English fraction
    Proto-West Germanic *ab
    Old English æf
    Old English of
    Middle English of
    English of
    English inspired
    English oxygen
    English FiO2
    English ratio
    English S/F ratio
    English S/F

    Noun

    S/F (plural S/Fs)

    1. Ellipsis of S/F ratio.
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