There are multiple definitions:
oral rehydration solution(English)
- e.g. salts and glucose in water
- Therapeutic approaches, Tropical medicine
- https://rehydra…nsultation.html
olfactory reference syndrome(English)
- an underrecognized, understudied, and often severe psychiatric disorder characterized by a prominent and distressing or impairing preoccupation with a false belief of emitting an offensive body odor
- Olfactory system, Psychiatry
- https://doi.org…sym.2019.12.009