A1 noun #8,500 le plus courant

respirator

A respirator is a device worn over the nose and mouth to prevent a person from inhaling harmful substances like dust or chemicals. In a medical context, it can also refer to a machine that helps a patient breathe when they cannot do so on their own.

Synonymes

mask breathing apparatus gas mask ventilator facepiece

Antonymes

pollutant contaminant
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