From Longman Dictionary of Contemporary Englishdenierden‧i‧er1 /ˈdeniə $ -ər/ noun [uncountable] a unit for measuring how thin nylon, silk etc thread is10-/15-/20– etc denier a pair of 15-denier tights
Examples from the Corpus
denier• The seven denier hold-up achieves ultra sheer look with the durability of a 15 denier product.• The denier number is size of the individual threads and indicates of durability.denierde‧ni‧er2 /dɪˈnaɪə $ -ər/ noun [countable] a person who says they do not believe something that most other people believe, especially that climate change is happening because of people’s activities, or that the Holocaust happened – used to show disapproval How can we convince the climate change deniers that they are wrong?Origin denier (1400-1500) Old French name of a coin, from Latin denarius, from deni “ten each” 