Définitions
1.AdjectiveReal, actual, tangible."Fuzzy videotapes and distorted sound recordings are not concrete evidence that Bigfoot exists.; Once arrested, I realized that handcuffs are concrete, even if my concept of what is legal wasn't."
2.AdjectiveAnalogous 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.
3.AdjectiveEquipped with a faithful functor to
X
{\displaystyle X}
(called a base category), in which case
C
{\displaystyle C}
is called a concrete category over
X
{\displaystyle X}
.
4.AdjectiveBeing or applying to actual things, rather than abstract qualities or categories.
5.AdjectiveParticular, specific, rather than general."While everyone else offered thoughts and prayers, she made a concrete proposal to help.; concrete ideas"
6.AdjectiveMade of concrete (building material)."The office building had concrete flower boxes out front."
7.AdjectiveMade up of separate parts; composite. (Can we verify this sense?)
8.AdjectiveNot liquid or fluid; solid.
9.NounA 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.; The sidewalk was made of concrete that had been poured in large slabs."
10.NounSuch 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."
11.NounA term designating both a quality and the subject in which it exists; a concrete term.
12.NounA dessert of frozen custard with various toppings.
13.NounAn extract of herbal materials that has a semi-solid consistency, especially when such materials are partly aromatic.
14.NounSugar boiled down from cane juice to a solid mass.
15.NounAny solid mass formed by the coalescence of separate particles; a compound substance, a concretion.
16.VerbTo cover with or encase in concrete (building material)."I hate grass, so I concreted over my lawn."
17.VerbTo solidify: to change from being abstract to being concrete (actual, real).
18.VerbTo unite or coalesce into a solid mass.