Last Updated：2025/11/28

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.

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Abbe number

Source Word

Abbe number

IPA(Pronunciation)

Noun

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.

Japanese Meaning

透明な物質の分散力の逆数を示す数値

The lens manufacturer listed the Abbe number to help optical designers estimate chromatic aberration.

レンズメーカーは、光学設計者が色収差を見積もるのに役立つように、アッベ数を明記しました。

Sense（1）

A number that represents the reciprocal of the dispersive power of a substance with transparent qualities.

Abbe numbers

（ plural ）