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con·crete(kŏn-krēt′, kŏng-, kŏn′krēt′, kŏng′-)
a. Of or relating to an actual, specific thing or instance; particular: had the concrete evidence needed to convict.
b. Relating to nouns, such as flower or rain, that denote a material or tangible object or phenomenon.
2. Existing in reality or in real experience; perceptible by the senses; real: concrete objects such as trees.
3. Formed by the coalescence of separate particles or parts into one mass; solid.
4. Made of hard, strong, conglomerate construction material.
n. (kŏn′krēt′, kŏng′-, kŏn-krēt′, kŏng-)
1. A hard, strong construction material consisting of sand, conglomerate gravel, pebbles, broken stone, or slag in a mortar or cement matrix.
2. A mass formed by the coalescence of particles.
v. (kŏn′krēt′, kŏng′-, kŏn-krēt′, kŏng-) con·cret·ed, con·cret·ing, con·cretes
1. To build, treat, or cover with hard, strong conglomerate construction material.
2. To form into a mass by coalescence or cohesion of particles or parts.
To harden; solidify.
[Middle English concret, from Latin concrētus, past participle of concrēscere, to grow together, harden : com-, com- + crēscere, to grow; see ker- in Indo-European roots.]