tex
n. uncountable C2 Proficiency US //ˈtɛks// tex
n. a unit used to measure how thick or heavy a piece of thread or yarn is. It tells you the weight in grams of 1,000 meters of that thread.
n. a unit of linear density for textile fibers, yarns, and threads, defined as the mass in grams per 1,000 meters. Often used in industrial manufacturing to standardize thread thickness.
The manufacturer uses a high tex thread for heavy denim jeans.
When selecting a thread for the upholstery project, the tailor checked the tex rating to ensure it was strong enough.
While denier is common in the hosiery industry, the tex system provides a more universal metric for comparing the structural integrity of synthetic and natural fibers across different manufacturing sectors.