Dictionary  foamed' met'alChem.,Metallurgy. a uniform foamlike metal structure produced when hydrogen bubbles are evolved from metal hydrides uniformly dispersed throughout a host metal or metal alloy: used as a structural material because of its shock-absorbing properties and light weight. Also,foam' met"al. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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