How to Say "Alpha" in Japanese

アルファ

arufa[a̠ɾɯ̟ɸa̠]

The word for 'alpha' in Japanese is アルファ (arufa).

アルファ is the name of the Greek letter Α or α.

Meaning: name of the letter Α, α (noun)

How do you pronounce it?

arufa

In Japanese business and technical contexts, the term アルファ is often used to mean 'something extra' or an added value beyond the basic requirement.
When writing アルファ in Japanese, the final sound 'fa' is represented by ファ, a combination that did not exist in the original Japanese phonetic system.
While 'alpha' is a Greek-derived word, the Japanese pronunciation アルファ is actually a transcription of the English pronunciation, not the original Ancient Greek pronunciation.

アルファ、ベータ、ガンマはギリシャ文字です。
Alpha, beta and gamma are Greek letters.
This sentence shows how to list the Greek letters including アルファ.
Tatoeba #2030700 by verbum, translation #1518663 by marcelostockle
ケンタウルス座アルファ星には惑星がある。それは、ケンタウルス座アルファ星Bbである。
The star system Alpha Centauri has a planet called Alpha Centauri Bb.
This sentence demonstrates the use of アルファ in the name of a star system.
Tatoeba #2085829 by nonong, translation #5377029 by corbinjurgens
ギリシャ文字の最初の文字はアルファです。
Girisha moji no saisho no moji wa arufa desu.
The first letter of the Greek alphabet is alpha.

陽太 and 陽葵 are studying Greek letters together.

陽葵 Himari

この文字、なんて読むの？
Kono moji, nante yomu no?
How do you read this letter?
陽太 Yota

それはアルファだよ。
Sore wa arufa da yo.
That is alpha.
陽葵 Himari

アルファね。覚えたよ！
Arufa ne. Oboeta yo!
Alpha, right. I've got it!
陽太 Yota

陽葵は物覚えが早いね。
Himari wa monooboe ga hayai ne.
You are a quick learner, Himari.

Sources

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