- an artificial, stonelike material used for various structural purposes, made by mixing cement and various aggregates, as sand, pebbles, gravel, or shale, with water and allowing the mixture to harden.
- any of various artificial building or paving materials, as those containing tar.
- an idea, observation, term, or word having an actual or existent thing or instance as its referent, as opposed to its being abstract: Psychology is all about feelings and behavior, but I’m more interested in the concrete—and that’s why I became a surgeon.
- a mass formed by coalescence or concretion of particles of matter.
- constituting an actual thing or instance; real: concrete proof of his sincerity.
- relating to or concerned with realities or actual instances rather than abstractions; particular (opposed to general): concrete ideas.
- representing or applied to an actual substance or thing, as opposed to an abstract quality: The words “cat,” “water,” and “teacher” are concrete, whereas the words “truth,” “excellence,” and “adulthood” are abstract.
- made of concrete: a concrete pavement;concrete lawn ornaments.
- formed by coalescence of separate particles into a mass; united in a coagulated, condensed, or solid mass or state.
- to treat or lay with concrete: to concrete a sidewalk.
- to form into a mass by coalescence of particles; render solid: Of these two semiliquid solutions, which one do you think can be more easily concreted?
- to make real, tangible, or particular.
- to coalesce into a mass; become solid; harden: Has it started to concrete?
- to use or apply concrete: We can’t begin concreting until all the forms have been installed.
- a construction material made of a mixture of cement, sand, stone, and water that hardens to a stonelike mass
- (as modifier)
- a rigid mass formed by the coalescence of separate particles
- relating to a particular instance or object; specific as opposed to general
- relating to or characteristic of things capable of being perceived by the senses, as opposed to abstractions
- (as noun)
- formed by the coalescence of particles; condensed; solid
- to construct in or cover with concrete
- to become or cause to become solid; coalesce