Webster's Revised Unabridged Dictionary · 1913

Labarraque's solution

Labarraque's solution , noun

[From Labarraque, a Parisian apothecary.]

(Medicine) An aqueous solution of sodium hypochlorite, extensively used as a disinfectant.

Sodium hypochlorite is the same compound used in the commercial trademarked bleach Clorox(TM). It has both disinfectant and bleaching activity.