A : the diploma of clarity and luster of a valuable stone b : degree of excellence a scholar of the very first water Oxygen dihydride is another way of referring to water, but modern day utilization typically restricts the expression "hydride" to ionic compounds (which water is not really). https://kevalaniru.com/can-gabletop-cartons-paper-bottles-for-water-provide-the-same-quality-as-plastic-bottles-a-deep-dive-into-kevala-nirus-sustainable-packaging/