| Main Entry: | |
| Part of Speech: | noun |
| Definition: | emanation |
| Synonyms: | exhalation, exhaust, odor, smell, vapor |
| 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: | gas |
| Part of Speech: | noun |
| Definition: | something not liquid or solid |
| Synonyms: | effluvium, fumes, miasma, smoke, stream, vapor, volatile substance |
| Notes: | fluids include liquids and gases; a liquid is a fluid with a fixed volume, and a gas is a fluid that can expand indefinitely |
| Antonyms: | liquid, solid |
| Main Entry: | odor |
| Part of Speech: | noun |
| Definition: | scent |
| Synonyms: | air, aroma, bouquet, effluvium, efflux, emanation, essence, exhalation, flavor, fragrance, musk, perfume, pungence, pungency, redolence, smell, snuff, stench, stink, tang, tincture, trail, whiff |
| Main Entry: | outflow |
| Part of Speech: | noun |
| Definition: | efflux |
| Synonyms: | discharge, drainage, effluence, effluent, effluvium, effusion, emergence, gush, gushing outpouring, rush, spout, stream, streaming |
| Main Entry: | reek |
| Part of Speech: | noun |
| Definition: | strong odor |
| Synonyms: | effluvium, fetor, mephitis, smell, stench, stink |
| Notes: | redolent (an adjective) is customarily used of pleasant odors while reek (a verb) is used of odors that are sensorily unpleasing; redolent, 'emitting a strong odor or smell,' comes from Latin olere 'emit a smell' |
| 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 |
| Main Entry: | drainage |
| Part of Speech: | noun |
| Definition: | seepage |
| Synonyms: | bilge, drain water, effluent, effluvium, sewerage, waste, waste water |