The staple length of common American cotton is from 24-28 mm.
A difference of only 1/2 mm in the length of the staple, may mean a difference of 10% in the value.
Pig-meat, in its various forms, is our staple article of food.
But we must not think of it as our principal or staple industry.
When the latch clicked and the hook dropped into the staple he, too, entered the kitchen.