Real, actual, tangible

• Do you have a concrete example?

  Tatoeba · sundown · CC BY 2.0 FR

• Our plans are not yet concrete.

  Tatoeba · CK · CC BY 2.0 FR

Being or applying to actual things, rather than abstract qualities or categories

Particular, specific, rather than general

Made of concrete (building material)

Made up of separate parts; composite

Not liquid or fluid; solid

Real, actual, tangible.; Analogous to the categories of algebraic objects which category theory was created to generalize, in the sense of having objects which can be thought of as sets equipped with some additional structure. Formally, equipped with a faithful functor to the category of setsrare

Real, actual, tangible.; Equipped with a faithful functor to X (called a base category), in which case C is called a concrete category over Xrare

A building material created by mixing cement, water, and aggregate such as gravel and sand

• Is this wall made of concrete?

  Tatoeba · zogwarg · CC BY 2.0 FR

• This bridge is made of concrete.

  Tatoeba · Miktsoanit · CC BY 2.0 FR

A building material created by mixing cement, water, and aggregate such as gravel and sand.; Such a material whose cement is Portland cement or a similar limestone derivative

A term designating both a quality and the subject in which it exists; a concrete term