n. |
[1] |
exterior
,
covering
,
outside
,
top
,
skin
,
integument
,
facade
,
face
,
boundary
,
interface
,
superficies
,
side
,
plane
|
[2] |
on the surface
,
superficially
,
to all appearances
,
at first glance
,
outwardly
,
to the casual observer
,
extrinsically
,
ostensibly
|
[3] |
Earth's surface
|
[4] |
open
|
[5] |
airfoil
,
aerofoil
,
control surface
|
|