Meaning of self-thinning in English:

self-thinning

Pronunciation /ˌsɛlfˈθɪnɪŋ/

noun

  • 1The death or spontaneous casting off of branches, fruit, etc., from a plant, ensuring the remaining parts of the plant have adequate room to grow.

  • 2A natural progressive decline in the density of a population (especially of plants) that occurs as its members increase in size or as the population increases in number; frequently attributive.

Origin

Mid 19th century.