atomic number 24 ato·mic·num·ber uncommon noun 1. a hard brittle blue-white multivalent metallic element; resistant to corrosion and tarnishing SynonymschromiumCratomic number 24 Related words Broader terms metallic element Narrower terms chrome Parts chromite WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
