This is the 6015th most frequent Japanese word.
アルファ
"アルファ" (arufa) means "alpha" in English, often referring to the first letter of the Greek alphabet or something primary/leading.
Here, 'アルファ' refers to the concept 'alpha', often used as a prefix in academic and scientific theories to denote the first or primary element.
彼はアルファベータ進化論を研究している。
He is studying the alpha-beta evolutionary theory.
In this sentence, 'アルファ' is used as part of a term (e.g., 'alpha model') that signifies an advanced or prototype model in a technological context.
そのアルファモデルは市場に革命を起こした。
That alpha model revolutionized the market.
Here, 'アルファ' is used metaphorically to describe the dominant or leading figure in a group, adopting its meaning from social contexts.