A breathing apparatus that recycles expelled air, removing carbon dioxide and allowing extended use of a supply.(noun)
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Use "rebreather" in a sentence
"The most critical part of a rebreather are the oxygen sensors."
"The blackness around her seemed full of huge shapes, and the strange taste of the rebreather was a constant reminder that she didn’t belong in this cold and inky realm."
"Rose kept her eyes moving as she wandered through the hazy farmland at a job, the rebreather filtering the foul air still leftover from the war."