noun, noun or participle which takes 'suru'
death from suffocation
A rare, formal or medical term for death caused by lack of oxygen. In ordinary contexts, 窒息死 (ちっそくし) is far more common.
事故の原因は窒死と判断された。
The cause of the accident was determined to be death from suffocation.
この
The term 窒死 is used in this medical paper.