1. (

• surface

) the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface" ;

2. (

• surface

) the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface" ;

3. (

• surface ,
• Earth's_surface

) the outermost level of the land or sea; "earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water" ;

4. (

• surface

) a superficial aspect as opposed to the real nature of something; "it was not what it appeared to be on the surface" ;

5. (

• open ,
• surface ,

) information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface" ;

6. (

• airfoil ,
• aerofoil ,
• control_surface ,
• surface ,

) a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight ;

1. (

• surface ,
• come_up ,
• rise_up ,
• rise ,

) come to the surface ;

2. (

• coat ,
• surface

) put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate" ;

3. (

• come_on ,
• come_out ,
• turn_up ,
• surface ,
• show_up

) appear or become visible; make a showing; "She turned up at the funeral"; "I hope the list key is going to surface again" ;

1. (

• surface

) on the surface; "surface materials of the moon" ;