concrete
concretenoun
UK/ˈkɒŋkriːt/US/ˈkɑːnkriːt/
B2a hard building material made from cement, sand, small stones and water
- The path is made of concrete.
concreteadjective
UK/ˈkɒŋkriːt/US/ˈkɑːnkriːt/
CERTAIN
B2based on facts, not ideas or guesses
- Have you got any concrete evidence?
- We need concrete plans.
MATERIAL
B2made of concrete
- A concrete floor is easy to clean.