substratum

Noun
  1. is a type of: surface - the extended two-dimensional outer boundary of a three-dimensional object
    same as: substrate
  2. is a type of: stratum - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
    same as: substrate
  3. is a type of: indigenous language - a language that originated in a specified place and was not brought to that place from elsewhere
    same as: substrate

Other Searches