Last Updated
：2026/01/06
ファイ
Hiragana
ふぁい
Noun
alt-of
alternative
Japanese Meaning
ギリシャ文字のひとつ「φ」または「Φ」を指す語。数学や物理学などで角度や位相、黄金比などを表す記号として用いられる。
Easy Japanese Meaning
ギリシャもじのひとつであるファイというきごうをさすことば
Chinese (Simplified) Meaning
希腊字母φ（Phi） / 数学中常用的符号φ（如黄金比例）
Chinese (Traditional) Meaning
希臘字母「φ／Φ」 / 數學、物理中常用作變數或角度的符號「φ」
Korean Meaning
그리스 문자 파이(φ)
Vietnamese Meaning
chữ cái Hy Lạp phi (Φ, φ) / dạng viết/đọc thay thế của “phi”
Tagalog Meaning
letrang Griyego na phi (φ) / simbolong φ sa matematika o pisika
Sense（1）
Alternative form of フィー (fī, “phi”)
（ romanization ）
Quizzes for review
See correct answer
ファイ
See correct answer
Fai's music is very beautiful.
See correct answer
ファイの音楽はとても美しいです。
Japanese - English
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