Pollutants

noun a solid particle produced during incomplete combustion of fossil fuels, biofuels, and biomass

adjective describing the color and composition of the carbon particle

• Black carbon is a type of particulate air pollution that is released from burning fossil fuels.
• Hey, did you know that black carbon is a major contributor to global warming?
• I heard that black carbon is like the bad boy of air pollution, causing all sorts of trouble.
• The presence of black carbon in the atmosphere is like a dark cloud hanging over our environmental efforts.

noun a polycyclic aromatic hydrocarbon compound used in research and industrial applications

• Acenaphthylene is a polycyclic aromatic hydrocarbon that is used in research as a model for studying the formation of soot.
• I heard that acenaphthylene is a compound commonly found in cigarette smoke.
• Yo, did you know acenaphthylene is like that funky stuff that comes out of car exhaust?
• Her emotions were as complex and intertwined as the molecular structure of acenaphthylene.

noun a chemical compound composed of acetylene and four chlorine atoms, used as a solvent and in chemical synthesis

• Acetylene tetrachloride is a chemical compound used in certain industrial processes.
• I heard that acetylene tetrachloride is really toxic if not handled properly.
• Be careful with that acetylene tetrachloride stuff, it's no joke.
• The situation was like mixing acetylene tetrachloride with fire, it was bound to end in disaster.