Also found in: Medical.
|v. t.||1.||(Chem.) To treat or test, as a liquid, with a solution of mercuric iodide in potassium iodide and potassium hydroxide, which is called Nessler's solution or Nessler's test, and is used to detect the presence of ammonia.|
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.