What does アルファ mean?
アルファ is a Japanese noun meaning “alpha” in English. It is written as アルファ in hiragana, and arufua in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
トップのリーダーは犬の行動学では「アルファ」と呼ばれ、以下「ベータ」「ガンマ」と続きます。
In dog ethology the leader is called 'alpha', after that it continues with 'beta' and 'gamma'.