n Condition of wood surfaces where fibers from the wood structure have become prominent due to wetting with water or materials containing water. Prominence of the harder portions of the grain of wood when the softer portions have suffered shrinkage ((1978) Paint/coatings dictionary. Compiled by Definitions Committee of the Federation of Societies for Coatings Technology; Laurie AP (1967) Painter’s methods and materials. Dover Publications, New York; Gross WF (1970) Application manual for paint and protective coatings. MGraw-Hill, New York).