also: ベーター · ヴィタ
noun
beta
The second letter of the Greek alphabet; used as a symbol in various technical fields and to denote a preliminary or testing version.
このソフトはまだベータ版です。
This software is still a beta version.
数学でβはよく角度を表す。
In mathematics, β often represents an angle.
Long-vowel variant; less common than ベータ.
Alternate reading based on Modern Greek pronunciation; rarely used.
Alpha (α) is the first letter of the Greek alphabet, while beta (β) is the second.
From Greek βῆτα (bêta), via English or other European languages.