Dictionary.net

the act of diluting something; "the cutting of whiskey with water"; "the thinning of paint with turpentine"

the act of diluting something; "the cutting of whiskey with water"; "the thinning of paint with turpentine"

n. The act of reducing the number of field or garden plants that have been sown, or the number of trees that have been planted, in order that the remainder may attain a fuller and maturer growth.