1. surface-active_agent

noun. a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved.

Rhymes with Upper Surface

• resurface
• searfoss

2. upper-level

adjective. at an elevated level in rank or importance.

3. surface

noun. ['ˈsɝːfəs'] the outer boundary of an artifact or a material layer constituting or resembling such a boundary.

4. surface

noun. ['ˈsɝːfəs'] the extended two-dimensional outer boundary of a three-dimensional object.

5. surface

noun. ['ˈsɝːfəs'] the outermost level of the land or sea.

6. surface

noun. ['ˈsɝːfəs'] a superficial aspect as opposed to the real nature of something.

7. surface

adjective. ['ˈsɝːfəs'] on the surface.

8. surface

verb. ['ˈsɝːfəs'] come to the surface.

9. surface

noun. ['ˈsɝːfəs'] information that has become public.

10. upper

adjective. ['ˈʌpɝ'] higher in place or position.