自由 じゆう膨張 ぼうちょうではありませんでした
jiyūbōchōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自由膨張

1. Was not free expansion.; Was not unconstrained expansion.

Past/Perfective
Negative
Polite
Formal Register
Physics