What does "TEX" mean for thread?

Quote:

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Originally Posted by Sandy Navas

and he didn't explain denier . . . that means off for a google search which tells me:
de·ni·er¹
noun

• 1.
  a unit of weight by which the fineness of silk, rayon, or nylon yarn is measured, equal to the weight in grams of 9,000 meters of the yarn and often used to describe the thickness of hosiery.
  "840 denier nylon"

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OOPS, sorry, had to run out at the same time. Thx for googling it for us, Sandy

Very funny Karen