invalidator
[in'vælideit]
n. invalidate的变形
vt. 使无效;使失效;使作废;使无价值: 例句: to invalidate a contract 使合同无效
近义词: nullify
变形: invalidated , invalidating
同义词
n.
nullifier
,
voider
英文解释
n.
1.an official who can invalidate or nullify