Added 6 October 2026
concrete
/ˈkɒnkɹiːt/ adjective
In Latin: concretus, corporalis Wiktionary
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about concrete at Wordnik → Where our words come from →
-
Real, actual, tangible.
Fuzzy videotapes and distorted sound recordings are not concrete evidence that Bigfoot exists.
- 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 sets.
- Equipped with a faithful functor to X (called a base category), in which case C is called a concrete category over X.
noun
-
A building material created by mixing cement, water, and aggregate such as gravel and sand.
Various types of concrete have been used in the construction of this highway.
-
Such a material whose cement is Portland cement or a similar limestone derivative.
The sidewalk was made of concrete that had been poured in large slabs.
- A term designating both a quality and the subject in which it exists; a concrete term.
verb
Origin
Borrowed from Latin concrētus, past participle of concrescō (to curdle) from con- (with, together) + crescō (to grow, rise).
From Wiktionary, via Kaikki.org (CC BY-SA)