concrete (adj.)

  1. capable of being perceived by the senses; not abstract or imaginary; concrete objects such as trees'

    concrete (n.)

  1. a strong hard building material composed of sand and gravel and cement and water

    concrete (adj.)

  1. formed by the coalescence of particles

    concrete (v.)

  1. cover with cement; concrete the walls'

  2. form into a solid mass; coalesce

The dictionary is based on the WordNet Electronic Lexical Database.
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