The Collaborative International Dictionary of English v.0.48:
Margaryize \Mar"ga*ry*ize\, v. t. [imp. & p. p. -ized; p. pr.
& vb. n. -izing.] [(J. J. Lloyd) Margary, inventor of the
process + -ize.]
To impregnate (wood) with a preservative solution of copper
sulphate (often called