from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having a concentration one tenth that of a normal solution
from The Century Dictionary and Cyclopedia
- Having one tenth of a normal or usual strength.
- In physical chemistry, said of a solution in which one liter contains one tenth of the gram-molecule or gram-equivalent of the dissolved substance. See concentration and normal *solution.
From deci- + normal (Wiktionary)