decinormaladj.
/ˌdɛsᵻˈnɔːml/, U.S. /ˌdɛsəˈnɔrm(ə)l/ Chemistry.
Of a solution: one tenth as concentrated as a normal solution (cf. normal adj. 6a); containing one tenth of a gram-equivalent of solute or solvated ion per litre of solution.
ΚΠ
1863 F. Sutton Syst. Handbk. Volumetric Anal. 19 The decinormal solutions may be made either by weighing 1/ 10 atom of test direct and diluting to 1000, or by diluting 100 parts of normal solution to 1000.
1898 Rev. Brit. Pharmacy 32 Deci-normal silver nitrate.
1964 Oceanogr. & Marine Biol. 2 291 Water..acidified with decinormal hydrochloric or nitric acids.
2009 Treatm. Cooling Water (Aquaprox) iii. 18 Lemon juice has a pH of 2.2, and decinormal sulphuric acid has a pH of 1.2.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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adj.1863