hyperdiamond/haɪpəˈdaɪ.(ə.)mənd/EtymologyFrom hyper- + diamond.nounSynonym of 24-cell.A material that has superior durability and density to regular diamonds; an aggregated diamond nanorod.“Fighting his fatigue — it was a black slick lapping at his consciousness — Vargovic said: "I understand perfectly well. I have the samples of hyperdiamond, in my hands..."”