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| English | Spanish |
| aromatic compound | compuestos aromáticos |
| aromatic compound Compounds characterized by the presence of at least one benzene ring | compuestos aromáticos |
| aromatic hydrocarbon | hidrocarburos aromáticos |
| aromatic hydrocarbon Hydrocarbons having an unsaturated ring containing alternating double and single bonds, especially containing a benzene ring | hidrocarburos aromáticos |
| aromatic substance | sustancia aromática |
| aromatic substance Substance having a distinctive, usually fragrant smell | sustancia aromática |
| polycyclic aromatic hydrocarbon | hidrocarburo aromático policíclico |
| polycyclic aromatic hydrocarbon Hydrocarbons containing two or more closed rings of atoms | hidrocarburo aromático policíclico |
| volatile aromatic hydrocarbon | hidrocarburo aromático volátil |