The story
Coined by American science fiction authors E. E. Smith and Lee Hawkins Garby in their 1928 novel The Skylark of Space, first serialized in Amazing Stories.
Etymology from Wiktionary, CC BY-SA 4.0.
pressure suit
Today it means: A sealed, full-body garment, usually with an attachable helmet, which maintains air pressure or mechanical pressure around the body of an astronaut or aviator to compensate for the low density of the air at high altitudes. Full definition →