Reference meaning
FIO
Last updated
Initialism of field interrogation and observation.
Other meanings
2. noun
Initialism of fraction of inspired oxygen.
Source and scope
This definition is reproduced from English Wiktionary, sense en-FIO-en-noun-69l9l1Xj, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.