found: Work cat.: Copham, C.A. Properties of concrete with fly ash containing wood ash, 1996.
found: Recommended practices for using wood ash as an agricultural soil amendment, 1996:p. 1 (Wood ash is the ash from the combustion of the following: bark, wood, sawdust, leaves, woody debris, pulp, sludge from pulp and paper waste water treatment systems, and unbleached wood fiber)
found: Best management practices for wood ash used as an agricultural soil amendment, via WWW, Aug. 3, 2008(Wood ash is the inorganic and organic residue remaining after the combustion of wood or unbleached wood fiber)
found: Encyclopedia Americana, 2003:v. 2, p. 433 (Ash is the residue left after an organic material has been completely burned. The main components of wood ash are silica, calcium oxide, magnesium oxide, and potassium carbonate)
found: Roberts, M.T. Bookbinding and the conservation of books, 1982:(wood ashes -- The residue of burned wood, which contains potash, a very strong alkali)
notfound: McGraw-Hill dictionary of scientific and technical terms, 2003;Academic Press dictionary of science and technology, 1992;Chambers dictionary of science and technology, 1999.