primary life support system

noun

A backpack, worn on a space suit, that provides breathable oxygen and removes expelled carbon dioxide.

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Meanings

nounprimary life support system (plural primary life support systems)

plural primary life support systems · alternative portable life support system · alternative personal life support system · alternative PLSS

  1. A backpack, worn on a space suit, that provides breathable oxygen and removes expelled carbon dioxide.
Cite this entry
APA

primary life support system. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/primary%20life%20support%20system

MLA

“primary life support system.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/primary%20life%20support%20system. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “primary life support system,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/primary%20life%20support%20system.

Source: primary life support system on Wiktionary, CC BY-SA 4.0.