Denier
Denier provides a scale for the heavyness (largely related to thickness) of fibres in a fabric. The higher the denier, the thicker the fiber. The denier value is defined as the mass in grams per 9000 meters of yarn. The unit is now mostly obsolete.
A denier is a type of French coin created by Charlemagne. The livre (pound - both monetary and unit of weight) was worth 20 Sols (or Sous) and 240 Deniers. The British equivalent was the early penny, 240 of which made up one British Pound, or 20 Shillings. The symbol for both the old denier, and until recently the penny used in Britain, Australia and New Zealand was 'd'.
The name denier is derived from the name of the Roman coin the denarius.
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Denier is also a commune of the Pas-de-Calais dÃÂépartement in France.