Wiktionary
electrolyser
n. (alternative form of electrolyzer English)
Usage examples of "electrolyser".
My thirst and weakness and suffocation were fast gaining on me, and with my last bit of strength I put a new cube in the electrolyser - recklessly, and without regard for the needs of my journey to Terra Nova.
At length I shook and brushed myself dry, took a couple of food tablets, and put a new potassium chlorate cube in the electrolyser of the mask.