S/F ratio

English

Etymology

From SpO2/FiO2 ratio.

Etymology tree

Proto-Indo-European *per-der.

Ancient Greek περί (perí)

Ancient Greek περῐ- (peri-)

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 peripheral oxygen 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 SpO2/FiO2 ratio

English S/F ratio

Noun

S/F ratio (plural S/F ratios)

1. Short for SpO2/FiO2 ratio.

Alternative forms

• SF ratio

Derived terms

• S/F (abbreviation)

Anagrams

• airsoft