thinning
Definitions
The process of becoming or making something less dense, thick, or crowded.
The removal of excess plants or seedlings to allow the remaining ones more space to grow.
A reduction in the thickness or density of hair, foliage, or a material.
Examples
The thinning of the ozone layer is a major environmental concern.
He noticed the thinning of his hair as he entered his late thirties.
Synonyms
tapering diluting attenuating pruning weeding reducing slimming
Antonyms
thickening expanding swelling augmenting broadening increasing concentrating