- Melancholy; a fit of ‘hypochondria’; a morbid depression (obsolete by 1881 according to Eric Partridge.
- sodium thiosulfate, a photographic fixing agent.
- A hypoglycaemia attack in a person with diabetes.
- The substance sodium hyposulfite.
- A hypodermic syringe.
- A hypothetical case.
- A hypomelanistic snake.
The above text is a snippet from Wiktionary: hypo
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