concrete

US /kɑnˈkrit, kɑŋ-, ˈkɑnˌkrit, ˈkɑŋ-/

UK /'kɒŋkri:t/

B1
n. (u.)Uncountable NounHard building material made of cement, sand, water
This floor is concrete, that is why it is cold and hard
v.t.Transitive VerbTo cover or make with a hard grey building material
We will concrete the floor, then cover it with carpets
adj.AdjectiveConcerning something that is physical or real
Give me one concrete reason to believe you
v.t.Transitive VerbTo lay or cover with concrete.
The builder will concrete the path tomorrow.
n. (c.)Countable NounA real thing or particular thing
The plan is still just a concrete in his mind.
v.i.Intransitive VerbTo become hard and solid like concrete.
The cement will concrete in a few hours.

Video subtitles

How these buildings made Turkey-Syria’s earthquake so deadly

06:16How these buildings made Turkey-Syria’s earthquake so deadly

How The World's Tallest Statue Was Built

06:12How The World's Tallest Statue Was Built

How Tokyo Made Itself Earthquake-Proof

07:14How Tokyo Made Itself Earthquake-Proof

Sun safety in construction

11:14Sun safety in construction

Geography Now! Albania

07:28Geography Now! Albania

What If the World Lost Oxygen for Five Seconds?

03:12What If the World Lost Oxygen for Five Seconds?