a detailed description of something, especially the design and materials needed to produce something see also specification规格 Oxford Collocations DictionarySpec is used before these nouns:- sheet
Word Originnoun 1950s: abbreviation of specification. on spec. late 18th cent.: abbreviation of speculation.
Idioms
on spec
- (informal)
when you do something on spec, you are trying to achieve something without organizing it in advance, but hoping you will be lucky 碰运气 A lot of young people apply for jobs on spec (= not in reply to an advertisement, but hoping that a job might be available). 许多年轻人申请工作都是碰运气。