To remove grease, oil, and dirt from garments or fabrics by treating them in an organic solvent, as distinct from aqueous liquors. Examples of suitable solvents are white spirit, trichloroethylene (trichlorethylene) and tetrachloroethylene (perchlorethylene). The process was originally known as ‘French cleaning’.
Also termed French cleaning.
see also high charged system
Textile Resource (http://www.textile.org.uk)