inertness

noun

Lack of activity or exertion; habitual indisposition to action or motion / Absence of the power of self-motion; inertia.

The inertness of the room was palpable, with no movement or sound to be heard.

意味（1）

Lack of activity or exertion; habitual indisposition to action or motion

意味（2）

Absence of the power of self-motion; inertia.

意味（3）

(chemistry) Quality of being unreactive with other chemical compounds or elements.