| Main Entry: | |
| Part of Speech: | noun |
| Definition: | air pollution |
| Synonyms: | acid rain, carbon dioxide, fog, haze, smoke, soot |
| Main Entry: | fog |
| Part of Speech: | noun |
| Definition: | heavy mist that reduces visibility |
| Synonyms: | London fog, brume, cloud, effluvium, film, gloom, grease, ground clouds, haze, miasma, murk, murkiness, nebula, obscurity, pea soup, smaze, smog, smoke, smother, soup, steam, vapor, visibility zero-zero, wisp |
| Notes: | haze is atmospheric moisture or dust or smoke that causes reduced visibility while fog is droplets of water vapor suspended in the air near the ground causing reduced visibility |
| Antonyms: | clearness |
| Main Entry: | fumes |
| Part of Speech: | noun |
| Definition: | pollution, gas in air |
| Synonyms: | effluvium, exhalation, exhaust, haze, miasma, reek, smog, smoke, stench, vapor |
| Main Entry: | haze |
| Part of Speech: | noun |
| Definition: | cloudy air |
| Synonyms: | brume, cloud, dimness, film, fog, fumes, ground clouds, haziness, indistinctness, miasma, mist, murk, obscurity, smog, smokiness, smother, soup, steam, vapor |
| Notes: | haze is atmospheric moisture or dust or smoke that causes reduced visibility while fog is droplets of water vapor suspended in the air near the ground causing reduced visibility |
| Antonyms: | clarity, clearness |
| Main Entry: | miasma |
| Part of Speech: | noun |
| Definition: | effluvium |
| Synonyms: | fetor, foul air, fumes, gas, mephitis, odor, pollution, reek, smell, smog, stench, stink, vapor |
| Main Entry: | mist |
| Part of Speech: | noun |
| Definition: | film, vapor |
| Synonyms: | brume, cloud, condensation, dew, drizzle, fog, ground clouds, haze, moisture, rain, smog, soup, spray, steam, visibility zero |
| Main Entry: | smoke |
| Part of Speech: | noun |
| Definition: | fume; cigarette |
| Synonyms: | butt*, cig, exhaust, fog, gas, mist, pollution, smog, soot, vapor |
| Main Entry: | vapor |
| Part of Speech: | noun |
| Definition: | fumes, mist |
| Synonyms: | breath, condensation, dampness, dew, effluvium, exhalation, fog, gas, haze, miasma, moisture, reek, smog, smoke, steam |