III. WORDS RELATING TO MATTER

II. INORGANIC MATTER

3. IMPERFECT FLUIDS

[Mixture of air and water] Bubble. [Cloud.]

[Nouns] bubble, foam, froth, head, spume, lather, suds, spray, surf, yeast, barm, spindrift.

cloud, vapor, fog, mist, haze, steam, geyser; scud, messenger, rack, nimbus; cumulus, woolpack, cirrus, stratus; cirrostratus, cumulostratus; cirrocumulus; mackerel sky, mare's tale, dirty sky; curl cloud; frost smoke; thunderhead.

[Science of clouds] nephelognosy; nephograph, nephology.

effervescence, fermentation; bubbling.

nebula; cloudliness (opacity) [more]; nebulosity (dimness) [more].

[Verbs] bubble, boil, foam, froth, mantle, sparkle, guggle, gurgle; effervesce, ferment, fizzle.

[Adjectives] bubbling; frothy, nappy, effervescent, sparkling, mousseux, up.

cloudy; thunderheaded; vaporous, nebulous, overcast.

[Phrases] "the lowring element scowls o'er the darkened landscip" [Paradise Lost].