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

• building material
• pavement
• paving
• paving material

2. (verb) cover with cement

• cover

3. (verb) form into a solid mass; coalesce

• solidify

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

• cement
• ferroconcrete
• reinforced concrete

1. (adjective) capable of being perceived by the senses; not abstract or imaginary

• existent
• real
• practical
• tangible
• touchable

1. (adjective) capable of being perceived by the senses; not abstract or imaginary

• objective
• real
• tangible

2. (adjective) formed by the coalescence of particles

• solid

1. (adjective) capable of being perceived by the senses; not abstract or imaginary

• abstract

1. (verb) form into a solid mass; coalesce

• coalescence
• coalescency
• coalition
• concretion
• conglutination
• compaction
• compression
• concretion
• densification

2. (adjective) capable of being perceived by the senses; not abstract or imaginary

• concreteness