Definitions
1.nounMelancholy; a fit of ‘hypochondria’; a morbid depression."1837 Abraham Lincoln: Tell your sister I dont want to hear any more about selling out and moving. That gives me the hypo whenever I think of it. (Letter to Mary S. Owens, May 7. 1837, Collected Works of Abraham Lincoln. Volume 1."
2.nounA hypochondriac.
3.nounSodium thiosulphate, a photographic fixing agent.
4.nounA hypoglycaemia attack in a person with diabetes.
5.nounThe substance sodium hyposulfite.
6.nounA hypodermic syringe.
7.nounHypothecation.
8.noun(in the study of law) A hypothetical case.
9.nounA hypomelanistic snake.