Definition of siltation in US English:

siltation

noun

  • See silt

    • ‘Overgrazing in the surrounding lowlands and logging in the highlands are causing severe soil erosion, which in turn has caused heavy siltation in the lake.’
    • ‘Additionally, once logged, many national forests are prone to flooding, mudslides and stream destruction due to runoff and siltation.’
    • ‘It says the crop has triggered soil erosion, siltation of waterways, widespread use of toxic chemicals and pesticides and road building through some of the world's most delicate habitats.’
    • ‘The environmental effects of careless logging have led to soil erosion, polluted rivers, siltation and severe flooding.’
    • ‘In addition to predation and competition by exotic species, these fish were also negatively impacted by overfishing, pollution, siltation and other forms of habitat degradation.’

Pronunciation

siltation

/silˈtāSH(ə)n//sɪlˈteɪʃ(ə)n/