Dictionary

[ˈsʌbˌsəːfɪs] n. ស្រទាប់ក្រោម, ផ្ទៃ (ដី ទឹក) ខាងក្រោម.

• the subsurface layer
• the shallow subsurface
• The subsurface contains rich mineral deposits.
• The subsurface water is crucial for the ecosystem.

[sub- + surface]