Hypo (noun)

A chemical solution that is used to reduce the acidity or alkalinity of a substance.

Origin:

From greek hupo meaning under or below.

Examples:

1. The hypo solution was used to fix the photographic film.
2. A hypo solution is a chemical solution that is used to reduce the acidity or alkalinity of a substance.
3. He used a hypo solution to neutralize the acid.
4. A hypo solution is used to make the pH of a substance neutral.
5. Hypo solution is used in photography, lab and cleaning industry.