アボガドロ定数 ていすうでしょう
abogadoroteisūdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of アボガドロ定数

1. Avogadro's number, probably.; It's likely Avogadro's number.

Polite
Presumptive
Conjecture
Chemistry
Physics