1. [ noun ] mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing
Related terms: paving_material tar
2. [ adjective ] covered with paving material
Synonyms: macadamized tarmac tarmacadam macadam
Related terms: paved
3. [ verb ] cover with tar or asphalt, of roads
Synonyms: tar
Related terms: pave
4. [ noun ] (geology) a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons
Synonyms: mineral_pitch
Related terms: mineral
Similar spelling:   asphaltic