What's the difference between froth and pumice?

Froth


Definition:

  • (n.) The bubbles caused in fluids or liquors by fermentation or agitation; spume; foam; esp., a spume of saliva caused by disease or nervous excitement.
  • (n.) Any empty, senseless show of wit or eloquence; rhetoric without thought.
  • (n.) Light, unsubstantial matter.
  • (v. t.) To cause to foam.
  • (v. t.) To spit, vent, or eject, as froth.
  • (v. t.) To cover with froth; as, a horse froths his chain.
  • (v. i.) To throw up or out spume, foam, or bubbles; to foam; as beer froths; a horse froths.

Example Sentences:

  • (1) Mood Indigo (18 July) Arguably the most French movie ever made, Romain Duris and Audrey Tautou are quite adorable as fairy tale lovers in Michel Gondry's adaptation of Boris Vian's Froth on the Daydream.
  • (2) Tea swathed in frothed milk sweetened to within an inch of its long, UHT life.
  • (3) It may be of significance, however, that nearly half of SIDS infants had a respiratory tract infection in the last two weeks of life while forty percent had bloody froth over their mouths when found, presumably pulmonary oedema fluid.
  • (4) Sandwood Bay in Scotland Photograph: Alamy Am Buachaille, a rocky sea stack, stood guard-like to one side, the giant grey slabs which cut into the sea were bathed in frothing waves, and the dim glow of the Cape Wrath lighthouse sent out a muted white beam beyond the cliffs to my right.
  • (5) The answer, I think, is: bankers, bailed out; the royal family, whose income has risen in this recession thanks to the intervention of the chancellor; and those who should bridge the tax gap, estimated at £32bn in 2010-11 by HMRC, but don't, and are only punished with a froth of meaningless rhetoric.
  • (6) Viewed from the outside, Pakistan looms as the Fukushima of fundamentalism: a volatile, treacherous place filled with frothing Islamists and double-dealing generals, leaking plutonium-grade terrorist trouble.
  • (7) If anything, the danger to Trump’s ambitions is coming from inside the house, with his frothingly deranged spokesperson Michael Cohen, a man 30 years out-of-date on spousal rape laws who sounds like a Queens mook in a tracksuit who traps a mom in her car in the Stop & Shop parking lot because he thinks she took his space, beats on the hood and screams, Do you know who my uncle is?
  • (8) Milk texture talk quickly becomes arcane, with terms like frothing, stretching and the all-important microfoam.
  • (9) Anti-frothing agents were used in sheep before cattle to treat acute legume bloat.
  • (10) The tetrakaidecahedral shape and the spatial configuration of these bubbles closely resemble those of stacked epidermal cells, although the columns of a froth were oriented at a 60degrees angle to their substratum rather than at right angles as occurs in the epidermal cell columns.
  • (11) ‘You get an enormous amount of froth and speculation in the aftermath of a big IPO (Initial Public Offering) of this kind.
  • (12) But it is all merely worthless and meaningless froth while the city council permits a gateway to hell to do brisk business just a few streets away.
  • (13) Gross postmortem examination of the lungs and internal organs revealed only a bloody froth in the trachea of the heparin-treated rats exposed to 3 ATA oxygen.
  • (14) The possiblity that the organization of cells into columns in the mammalian epidermis may be a result of the close packing of these cells has been investigated in a model system involving the association of randomly produced soap bubbles into a stable froth.
  • (15) 8.37am BST At Peel Hunt, traders reject Vince Cable's claim that today's share price spike is merely 'froth'.
  • (16) "Are baby pictures really worse than Instagram shots of artfully frothed coffee?"
  • (17) The symptomatic period proper was characterized by persistent chewing with frothing, varying degrees of gagging, and vomit.
  • (18) Simmer for about 45 minutes to an hour, at a low bubble, scraping off any froth that rises to the surface.
  • (19) A sudden massive effusion of bloody froth issued from around the cannula.
  • (20) "As yet this is a small but vocal minority, but I think we are seeing an emergence from the froth and apathy of the 1990s."

Pumice


Definition:

  • (n.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.

Example Sentences:

  • (1) A new method, not previously recommended, involving the use of a green rubber wheel followed by pumice or composite finishing paste was similarly examined and found to come closest to restoring the original, natural enamel surface.
  • (2) Radiograms of the cranium show a "pumice-stone" appearance of the dome and deformation of the sella turcica.
  • (3) This layer can be removed by thorough pumicing or by grinding.
  • (4) Also, fewer bacteria were recovered from vigorously-pumiced, molar-tooth surfaces 24 h after application of albumin compared to buffer-treated controls.
  • (5) Ragwheels and pumice samples were collected and cultured, the results of which mandate the need for infection control guidelines for the dental laboratory.
  • (6) Scanning electron micrographs, surface profile tracings, surface roughness recordings, and statistical analysis of data support the finding that the best surface finish is obtained when sandblasting, hard stone, medium abrasive disk, second sandblasting, electropolishing, hard rubber point, hard felt disk with pumice slurry, and felt disk and soft brush with polishing paste are used progressively.
  • (7) Finishing was done with wet pumice and cup, wet pumice and a brush, a grit rubber polishing point, and an aluminum oxide- coated disc.
  • (8) Method I consisted of green stone, followed in sequence by finishing bur and pastes of pumice, powdered chalk, and SnO2.
  • (9) Various abrasive materials, such as pumice, polyethylene, and aluminum oxide are widely used as adjuncts in the therapy of acne.
  • (10) Pumice and air-powder polishing gave a similar reduction of the sonic scaling roughness.
  • (11) The occlusal surface was (1) air polished for 20 seconds, (2) cleaned with pumice for 20 seconds, or (3) not cleaned.
  • (12) All patients received a subgingival scaling and pumice by a hygienist every 6 months.
  • (13) Test teeth were cleaned with pumice and 10% alcohol, air-dried, and insulated at the approximal surfaces with strips of rubber dam.
  • (14) Thus, pumicing is a necessary final step with all removal procedures studied.
  • (15) The mean CO2 output during anaesthesia in paralyzed patients can be monitored by continuous capnographic analysis of the total exhaled gases, the latter being mechanically integrated by pumice canisters.
  • (16) Food particles (wheat flour, fishmeal or yeast) were ingested approximately 3 times faster than inert particles (kaolin, pumice or synthetic cellulose).
  • (17) However, when the surface of the etched enamel was pumiced, the enamel reacquired both the shine and appearance of non-etched enamel.
  • (18) Samples of used dental laboratory pumice from the two dental laboratories were cultured for the isolation of fungi.
  • (19) A flat enamel surface was obtained with 600-grit silicon carbide paper and cleaned with a rubber cup and a water slurry of fine flour of pumice.
  • (20) The rubbing application of a hydrochloric acid-pumice mixture has been advocated for the removal of fluorotic-like areas of permanent teeth.