Last Updated
：2025/11/25
FO
Noun
abbreviation
alt-of
initialism
Japanese Meaning
航空分野でのFOは「副操縦士」を意味します。 / 軍事などの分野でのFOは「現場指揮官」または「実地管理官」として用いられる場合があります。 / 論理学やコンピュータサイエンスにおいては、FOは「一階述語論理」を表す初期語です。
Sense（1）
Sense（2）
Sense（3）
（ plural ）
Quizzes for review
(aviation) Initialism of first officer. / Initialism of field officer. / (logic, computer science) Initialism of first-order logic.
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See correct answer
FO
The FO reviewed the preflight checklist while the captain finished the weather briefing.
See correct answer
The FO reviewed the preflight checklist while the captain finished the weather briefing.
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English - English
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