rigor mortis

uncountable usually

Temporary stiffness of a body's muscles and joints following death.

Japanese Meaning

死後における、筋肉や関節が一時的に硬直する現象（死後硬直）

The coroner noted that rigor mortis had already set in, which helped estimate the time of death.

検視官は死後硬直が既に生じていることを確認し、それが死亡時刻の推定に役立った。

Sense（1）

Temporary stiffness of a body's muscles and joints following death.

rigor mortises

（ plural ）