having the value zero 零值的；等于零的 a null result 毫无结果
Oxford Collocations Dictionaryverbs- be
- become
- render something
- …
Word Originlate Middle English: from French nul, nulle, from Latin nullus ‘none’, from ne ‘not’ + ullus ‘any’.
Idioms
null and void
- (
law 法律 (of an election, agreement, etc. 选举、协议等 having no legal force; not valid 无法律效力的；无效的