also: アルファー
noun
alpha
Refers to the Greek letter α, often used in mathematics, science, and as a symbol for 'first' or 'beginning'.
αはギリシャ文字の最初の文字です。
Alpha is the first letter of the Greek alphabet.
この方程式では、αは定数を表します。
In this equation, α represents a constant.
Irregular kana usage with long vowel; rarely used.
Borrowed from English 'alpha' or directly from Greek ἄλφα (álpha).