Lugol's iodine

== English == === Etymology === Named after Jean Guillaume Auguste Lugol (1786-1851), French doctor. === Noun === Lugol's iodine (uncountable) (chemistry) A solution of elemental iodine and potassium iodide in water, used as an antiseptic and disinfectant, and as a reagent for starch detection. ==== Synonyms ==== Lugol's solution