Wiktionary
metallic bond
n. (context chemistry English) a chemical bond in which mobile electrons are shared over many nuclei; this leads to electrical conduction
WordNet
metallic bond
n. a chemical bond in which electrons are shared over many nuclei and electronic conduction occurs
Usage examples of "metallic bond".
When one sees a chain of beauties, fastened together, say, by the neck, or the left wrist or left ankle, it is well to remember that their locations on that sturdy, metallic bond, keeping them precisely where the master wishes, are seldom likely to be merely fortuitous.