Definition of topsoil in English:

topsoil

noun

mass noun
  • The top layer of soil.

    ‘keep all the topsoil you remove; you're bound to find a use for it later!’
    count noun ‘dry topsoils are typical in the western Corn Belt’
    • ‘All we deal with is pure topsoil, subsoil and builders demolition, which is perfect for land reclamation.’
    • ‘Vetiver grass lines terraces in the gardens, to trap valuable topsoil in the beds.’
    • ‘The gentler lower slopes, derived from the Rhine delta bed, have deeper topsoils, over subsoils of clay, marl, limestone, and sandstone.’
    • ‘Bulldozers removed the first layers of topsoil last week.’
    • ‘Ideally, a loamy textured topsoil should be brought in to increase soil grade.’
    • ‘After excavation, a thin layer of topsoil was replaced and some woody seedlings planted.’
    • ‘Crop yields drop as topsoil is lost, prompting subsistence farmers to clear more land.’
    • ‘Furthermore, in cultivated soils, dense compact subsoils frequently underlie the loosened topsoil.’
    • ‘Without plants growing between and around the coffee, this farmer loses valuable topsoil.’
    • ‘It owns recycling plants in Ayrshire, Paisley and Glasgow and supplies recycled aggregates, topsoil and subsoil.’
    • ‘Yields were highest in the depressions at the bottom of the hills, where the dark, rich topsoil has settled.’
    • ‘Many soils have a topsoil layer that is more permeable than the clay subsoil.’
    • ‘It had been roughly levelled and covered with a layer of topsoil.’
    • ‘In areas with heavy clay soil, add a layer of lightly structured topsoil.’
    • ‘First, don't overmix the organic, topsoil and deeper layers, as this can bury organic matter too deeply.’
    • ‘Sprinkling a thin layer of topsoil or compost over the lawn will also help.’
    • ‘The thin layer of topsoil is constantly thawing and refreezing during the summer, and this makes any plant growth very difficult.’
    • ‘Each year, several serious car accidents are caused by high winds blowing topsoil across highways.’
    • ‘If the blade is positioned too low, valuable topsoil may be removed from the site during the bulldozing.’
    • ‘It takes over 500 years to form one inch of stable topsoil and it can be lost in minutes.’
    earth, soil, dirt, clay, loam, turf, clod, mould, sod, dust
    View synonyms

Pronunciation

topsoil

/ˈtɒpsɔɪl/