Twist Per Inch
TPI (twists per inch or turns per inch) is a term used in the textile industry. It measures how much twist a yarn has, and can be calculated by counting the number of twists in an inch of yarn.
Famous quotes containing the word twist:
“For often at Church Ive seen the stained high glass
Pour out the Virgin and Saints, twist and untwist
The mortal youth of Christ astride an ass.”
—Allen Tate (18991979)