of or relating to the nucleus of an atom 原子核的 ■denoting, relating to, or powered by the energy released in nuclear fission or fusion 核能的;核动力的 nuclear submarines. 核潜艇。 ■denoting, possessing, or involving weapons using this energy 核武器的 a nuclear bomb. 核弹。
(Biology)of or relating to the nucleus of a cell (生)细胞核的 nuclear DNA. 细胞核脱氧核糖核酸。
语源
mid 19th cent.: from nucleus + -ar
用法
The standard pronunciation of the word nuclear in British and US English rhymes with clear. A variant pronunciation exists in US English, famously used by Presidents Eisenhower and Carter, which pronounces the second part of the word like -ular in circular or particular. This pronunciation is not acceptable in standard British or US English, although it is still widely heard