con·crete (kŏn-krēt, kŏng-, kŏnkrēt′, 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. (kŏnkrēt′, 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. (kŏnkrēt′, 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-2 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2016 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus