Wordcyclopedia | English | well-graded sand

— In a good way. He washed the table very well, so now it is very clean.

— A hole in the ground for getting water or oil. There was no river nearby, so they dug a well to get water.

— adjective (= ranked, stratified) arranged in a sequence of grades or ranks stratified areas of the distribution

— Grains of rock that make beaches and deserts. In the summer, Jane goes to the beach, lies on the sand and listens to the waves.

— To rub rough paper on wood to make it smooth. I sand the wood until it is nice and smooth.