Englishfor English speakers
back
Preposition
—
Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
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The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
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The back is the rear part of the human body.
He had a scar on his back.
back
Verb
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If you back something, you support it.
The Republicans backed the bill.
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If you back up, you move backward.
He put the car in gear and backed right into the garage door.
surface
Noun
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The surface of an object is the outside of the thing.
The surface of the earth is very large.
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The surface of a liquid is the top of it.
The surface of the lake was smooth.
surface
Verb
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When a thing surfaces, it comes to the top of liquid.
The fish surfaced to get food.
The swimmer surfaced for air.
—
If information or facts surface, they are revealed or become known.
s surfaced that claimed the company was under investigation.
metallization
noun
—
(physics) The act or process of metallizing