Synonyms and Antonyms for upper-surface
2. surface-active agent (n.)
a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
3. surface (n.)
the outer boundary of an artifact or a material layer constituting or resembling such a boundary
4. surface (n.)
the extended two-dimensional outer boundary of a three-dimensional object
5. surface (n.)
the outermost level of the land or sea
6. surface (n.)
a superficial aspect as opposed to the real nature of something
7. surface (adj.)
on the surface
9. surface (n.)
information that has become public
