Definition of coarse-grained in US English:



  • 1Coarse in texture or grain.

    ‘a coarse-grained flour’
    • ‘The lower part of the section consists of cross-bedded, fine to medium sandstone, with scattered coarse-to very coarse-grained particles.’
    • ‘A separation and drainage layer, of a coarse-grained material such as sand, can be constructed to isolate the unsealed pavement from the underlying saturated soils.’
    • ‘The coarse-grained, bivalve-rich floatstone layers intercalated with the ‘background’ slope facies are interpreted as storm deposits.’
    • ‘In our case, the reaction of interest is simply the unimolecular folding/unfolding of the coarse-grained protein molecules in their finite-concentration solution environment.’
    • ‘Ordinary coarse-grained metals deform when parts of a grain slip past one another as extra planes of atoms, called dislocations, move through the material.’
    • ‘The igneous rocks in it include a variety of types, ranging from fine-, medium-, and coarse-grained granite, to syenite, monzonite, diorite, and gabbro.’
    • ‘It's very finely-layered and very coarse-grained rock and really doesn't look like anything we've seen at the site before.’
    • ‘These veins usually bear free coarse-grained, high-grade gold and produce most of the placers in the province.’
    • ‘The soup was outstanding - rich, thick, with a lovely, coarse-grained texture and a flavour of tomatoes overlain with a hint of what seemed like orange or carrot.’
    • ‘One learns to look along the perimeters of fossil woodpiles, where the sediments still demonstrate the appropriate coarse-grained textures.’
    • ‘Thick sheet sandstone units containing upright trees represent the product of single large-scale flood events that deposited coarse-grained sediment across the proximal interchannel region, locally burying vegetation.’
    • ‘The percentage of coarse-grained materials in the soil affects the strength and compressibility of the wall.’
    • ‘However, there is a general correlation between grain size and terrace height in medium- and coarse-grained sediments.’
    • ‘Generally coarse-grained soils compact more readily than fine grained ones and hence the finer the particles the less maximum thickness of layer to be compacted.’
    • ‘They appeared to be of a kind of coarse-grained sandstone composition, probably one of the basal rock layers that contained many kinds of trace fossils, but unlikely to have any fossil fish remains.’
    1. 1.1 (of photographic film) having a noticeably grainy appearance.
      • ‘When miniature cameras first appeared, Rodinal fell out of favor because the early 35 mm films were very coarse-grained.’
      • ‘Since it was produced for television, Scenes from a Marriage was shot on 16 mm, and the DVD transfer has the coarse-grained look inherent in the small film stock.’
    2. 1.2 Coarse in manner or speech.
      ‘a coarse-grained man’