| Metals tarnish when their surface atoms react with gaseous substances in the air. |
| Yerba Buena is an important medicinal plant. Primarily a pain reliever, it is also used in gaseous distention and as mouthwash. |
| Using a low energy nitrogen laser, Tanaka showed that he could make gaseous clouds of matrix ions carrying macromolecular ions with them. |
| A radio telescope has detected hundreds of hydrogen clouds in the gaseous halo that surrounds the disk of our galaxy. |
| Among the gaseous emissions, samples we tested for included hydrogen chloride, hydrogen cyanide, hydrogen fluoride, isocyanides, and styrene. |
| Types of air pollution include particulate and gaseous emissions and odour pollution. |
