leachability

/ˌliːtʃəˈbɪlɪti/
noun
  1. The degree to which a substance can be leached, or removed, by a liquid passing through it.
    • Low leachability means the material stays in place and does not wash away easily.
    • The leachability of the fertilizer determines how quickly it reaches plant roots.
    • Scientists measure the leachability of pollutants to assess groundwater risk.