Meanings
- informaluncountableUS space programmedicineA condition caused by irritation to the eyes, nose, throat, and lungs, from exposure to highly abrasive lunar dust.
Origin
From lunar + hay fever. From having symptoms like hay fever, but occurring due to encounters with lunar contaminants. Coined by Harrison Schmitt in 1972, Apollo 17 astronaut and geologist, to describe the condition already previously encountered by earlier crews, and by his crew.
Full word history & related roots →Cite this entry
lunar hay fever. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/lunar%20hay%20fever
“lunar hay fever.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lunar%20hay%20fever. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “lunar hay fever,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/lunar%20hay%20fever.
Source: lunar hay fever on Wiktionary, CC BY-SA 4.0.