What is "separators"

Usage examples of "separators".

Suffice it to say that the former were of three types -- those which propelled the ship through the air and those which propelled it through ether, the latter of course represented our most important equipment, and consisted of powerful multiple-exhaust separators which isolated the true Barsoomian Eighth Ray in great quantities, and, by exhausting it rapidly earthward, propelled the vessel toward Mars.

These separators were so designed that, with equal facility, they could isolate the Earthly Eighth Ray which would be necessary for our return voyage.

The separators are accumulating nitrogen from the air outside, but we won't be back on normal air for another day or two.

Pulverized chunks of asteroidal rock were ruthlessly liquefied here, all their minor elements driven out to be collected by the mass separators, purified into the metals and minerals that were building the human race's expanding civilization.

When I closed my eyes I could see the glowing streams of man-made lava flowing into the separators in the next huge bay.