primary life support system en · NOUN
Meanings
- A backpack, worn on a space suit, that provides breathable oxygen and removes expelled carbon dioxide
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| primary life support systems | Number=Plur | lexicographic | |
| portable life support system | alternative | lexicographic | |
| personal life support system | alternative | lexicographic | |
| PLSS | alternative | lexicographic |