1. A thick black tar intermediate between petroleum and asphalt
   - mineral tar

Derived forms: malthas

Type of: mineral

• genus Apatura
• genus Aphis
• genus Aphriza
• genus Aphrophora
• genus Aphyllanthes
• genus Apios
• genus Apis
• genus Apium
• genus Aplectrum
• genus Aplodontia
• genus Aplysia
• genus Apocynum
• genus Apodemus
• genus Apogon
• genus Aporocactus
• genus Appendicularia
• genus Aptenodytes
• genus Apteryx
• genus Apus
• genus Aquila
• genus Aquilegia
• genus Ara
• genus Arabidopsis
• genus Arabis
• genus Arachis