Tra từ surface - Từ điển Oxford Learners Wordfinder Dictionary

1 surfaces
2 flat or bumpy surfaces
3 smooth or rough surfaces
4 covering a surface

1 surfaces
- the outside part of sth: surface
to land on the surface of the moon ◎ a work surface in a kitchen ◎ a flat/bumpy surface ◎ a rough/smooth surface ◎ a polished/shiny surface
- any of the flat outer surfaces of an object: side
the sides of a pyramid
- the size of a surface: area
The room is about 45 square metres in area.
- something that is only on the surface is superficial
He only had superficial injuries. ◎ There were some scratches on the paintwork but they were only superficial.
※ the different sides of an object PLACE

2 flat or bumpy surfaces
- (used about the surface of sth) having no parts that are raised above the rest: flat, level, even
The countryside round here is very flat. ◎ a flat roof ◎ a flat surface ◎ a level teaspoon of sugar ◎ level ground ◎ The game must be played on an even surface.
- to make sth flat: flatten sth, (used especially about the ground) level sth
She drove the car over his ball and flattened it. ◎ The ground will need to be levelled before we can build on it.
- a surface that is not flat is uneven
uneven ground
- a part of a flat surface that is raised above the rest: bump; adjective: bumpy
There were lots of bumps in the road. ◎ The road was really bumpy.
- a sea which is not smooth can be called rough, choppy
- an outward curve on sth that is usually flat, perhaps because there is sth underneath: bulge; to form a bulge: bulge (out)
She had a huge bulge in her pocket.
- an outward curve or swelling on sth (especially on the body or on flat surfaces): lump; adjective: lumpy
He had a big lump on his forehead where he'd knocked his head. ◎ I hardly slept at all - the bed was really lumpy.

3 smooth or rough surfaces
- having an even surface with no lumps or holes: smooth; noun (U): smoothness
smooth skin ◎ a smooth lawn ◎ the smooth surface of the material ◎ the smoothness of her complexion
- smooth and nice to touch: soft
soft smooth sheets
- not smooth: rough; noun (U): roughness
rough skin/hands ◎ a rough road ◎ The material was a nice colour but it felt very rough against the skin.
- consisting of large pieces; rough: coarse
coarse cloth
- very rough and broken objects and materials, with sharp points, can be called jagged
a jagged edge ◎ jagged rocks
※ making something smooth
- to make sth smooth: smooth sth (back, down, out, etc)
He looked in the mirror and smoothed down his hair.
- strong paper with sand on it, that is used for rubbing surfaces in order to make them smoother: sandpaper (noun U)
- to make sth smooth by rubbing sandpaper across it firmly: rub sth (down), sand sth (down)

4 covering a surface
- a thickness of material that is laid over a surface: layer
I had to remove several layers of old wallpaper.
- a thin layer of sth that covers a surface: coating
There was a coating of dust over all the furniture when we came back from our holiday.
- to put sth over a surface so that it touches it partly or completely: cover sth (with sth)
I think I'll cover this old chair with some new material.
- if a surface has sth over it which touches it partly or completely, it is covered in/with sth
The floors were covered with expensive carpets.
- something which covers a surface: cover, covering
I've bought new covers for the chairs. ◎ There was a thin covering of snow on the ground.