interstitial compound


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interstitial compound

[¦in·tər¦stish·əl ′käm‚pau̇nd]
(chemistry)
A compound of a transition metal and hydrogen, boron, carbon, or nitrogen whose crystals have a close-packed structure of the metal ions, with the nonmetal atoms being located in the interstices.
(solid-state physics)
A binary compound in which atoms of one element (usually a light, nonmetallic element) occupy spaces between atoms of the crystal lattice formed by the other element (usually a heavy, metallic element).
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