transactinideWiktionary 原文英美构词拆解transtrans-前缀actinideactinide词干trans-Extending across, through, or over. · To or on the other side of, beyond; outside of.词源说明From trans- + actinide.释义形容词adjective1(chemistry, physics) Lying beyond lawrencium (the last actinide) in the periodic table; having an atomic number greater than 103.名词noun1(chemistry, physics) Any of the artificially produced