A mass of small bubbles formed in or on a liquid:
— The beer had a thick head of foam.

synonym: froth.

Roget 324: softness, pliableness etc. adj.; flexibility; pliancy, pliability; sequacity^†, malleability; ductility, tractility^†; extendibility, extensibility; plasticity; inelasticity, flaccidity, laxity.    penetrability.    clay, wax, butter, dough, pudding; alumina, argil; cushion, pillow, feather bed, down, padding, wadding; foam.    mollification; softening etc. v.. ... show more

Roget 353: 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 etc. v.. nebula; cloudliness etc. (opacity) 426^†; nebulosity etc. (dimness) 422.    ... show more

Roget 388a: insulation, incombustible material, noncombustible material; fire retardant, flame retardant; fire wall, fire door.    incombustibility, incombustibleness etc. adj.. extincteur [Fr.]; fire annihilator; amianth^†, amianthus^†; earth-flax, mountain-flax; asbestos; fireman, fire fighter, fire eater, fire department, fire brigade, engine company; pumper, fire truck, hook and ladder, aerial ladder, bucket; fire hose, fire hydrant.    [forest fires] backfire, firebreak, trench; aerial water bombardment.    wet blanket; fire extinguisher, soda and acid extinguisher, dry chemical extinguisher, CO-two extinguisher, carbon tetrachloride, foam; sprinklers, automatic sprinkler system; fire bucket, sand bucket.    [warning of fire] fire alarm, evacuation alarm, [laws to prevent fire] fire code, fire regulations, fire; fire inspector; code violation, citation.    ... show more

Dutch: schuim
Polish: piana, pianka

A lightweight material in cellular form; made by introducing gas bubbles during manufacture.

Polish: pianka

Become bubbly or frothy or foaming:
— The river was foaming.

synonyms: effervesce, fizz, form bubbles, froth, sparkle.

Roget 173: be violent etc. adj.; run high; ferment, effervesce; romp, rampage, go on a rampage; run wild, run amuck, run riot; break the peace; rush, tear; rush headlong, rush foremost; raise a storm, make a riot; rough house [Slang]; riot, storm; wreak, bear down, ride roughshod, out Herod, Herod; spread like wildfire (person). [shout or act in anger at something], explode, make a row, kick up a row; boil, boil over; fume, foam, come on like a lion, bluster, rage, roar, fly off the handle, go bananas, go ape, blow one's top, blow one's cool, flip one's lid, hit the ceiling, hit the roof; fly into a rage (anger) 900.    break out, fly out, burst out; bounce, explode, go off, displode^†, fly, detonate, thunder, blow up, crump^†, flash, flare, burst; shock, strain; break open, force open, prize open.    render violent etc. adj.; sharpen, stir up, quicken, excite, incite, annoy, urge, lash, stimulate, turn on; irritate, inflame, kindle, suscitate^†, foment; accelerate, aggravate, exasperate, exacerbate, convulse, infuriate, madden, lash into fury; fan the flame; add fuel to the flame, pour oil on the fire, oleum addere camino [Lat.].    explode; let fly, fly off; discharge, detonate, set off, detonize^†, fulminate.    ... show more

Roget 315: be agitated &c.; shake; tremble, tremble like an aspen leaf; quiver, quaver, quake, shiver, twitter, twire^†, writhe, toss, shuffle, tumble, stagger, bob, reel, sway, wag, waggle; wriggle, wriggle like an eel; dance, stumble, shamble, flounder, totter, flounce, flop, curvet, prance, cavort [U.S.]; squirm.    throb, pulsate, beat, palpitate, go pitapat; flutter, flitter, flicker, bicker; bustle.    ferment, effervesce, foam; boil, boil over; bubble up; simmer.    toss about, jump about; jump like a parched pea; shake like an aspen leaf; shake to its center, shake to its foundations; be the sport of the winds and waves; reel to and fro like a drunken man; move from post to pillar and from pillar to move from post to pillar and from pillar to post, drive from post to pillar and from pillar to drive from post to pillar and from pillar to post, keep between hawk and buzzard.    agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, jerk, hitch, jolt; jog, joggle, jostle, buffet, hustle, disturb, stir, shake up, churn, jounce, wallop, whip, vellicate^†.    ... show more

Roget 353: bubble, boil, foam, froth, mantle, sparkle, guggle^†, gurgle; effervesce, ferment, fizzle.   

Roget 824: excite, affect, touch, move, impress, strike, interest, animate, inspire, impassion, smite, infect; stir the blood, fire the blood, warm the blood; set astir; wake, awake, awaken; call forth; evoke, provoke; raise up, summon up, call up, wake up, blow up, get up, light up; raise; get up the steam, rouse, arouse, stir; fire, kindle, enkindle, apply the torch, set on fire, inflame.    stimulate; exsuscitate^†; inspirit; spirit up, stir up, work up, pique; infuse life into, give new life to; bring new blood, introduce new blood; quicken; sharpen, whet; work upon etc. (incite) 615; hurry on, give a fillip, put on one's mettle.    fan the fire, fan the flame; blow the coals, stir the embers; fan into a flame; foster, heat, warm, foment, raise to a fever heat; keep up, keep the pot boiling; revive, rekindle; rake up, rip up.    stir the feelings, play on the feelings, come home to the feelings; touch a string, touch a chord, touch the soul, touch the heart; go to one's heart, penetrate, pierce, go through one, touch to the quick; possess the soul, pervade the soul, penetrate the soul, imbrue the soul, absorb the soul, affect the soul, disturb the soul.    absorb, rivet the attention; sink into the mind, sink into the heart; prey on the mind, distract; intoxicate; overwhelm, overpower; bouleverser [Fr.], upset, turn one's head.    fascinate; enrapture etc. (give pleasure) 829.    agitate, perturb, ruffle, fluster, shake, disturb, startle, shock, stagger; give one a shock, give one a turn; strike all of a heap; stun, astound, electrify, galvanize, petrify.    irritate, sting; cut to the heart, cut to the quick; try one's temper; fool to the top of one's bent, pique; infuriate, madden, make one's blood boil; lash into fury etc. (wrath) 900.    be excited etc. adj.; flush up, flare up; catch the infection; thrill etc. (feel) 821; mantle; work oneself up; seethe, boil, simmer, foam, fume, flame, rage, rave; run mad etc. (passion) 825.    ... show more

Roget 825: be impatient etc. adj.; not be able to bear etc. 826; bear ill, wince, chafe, champ a bit; be in a stew etc. n.; be out of all patience, fidget, fuss, not have a wink of sleep; toss on one's pillow.    lose one's temper etc. 900; break out, burst out, fly out; go off, fly off, fly off at a tangent, fly off the handle, lose one's cool [Coll.]; explode, flare up, flame up, fire up, burst into a flame, take fire, fire, burn; boil, boil over; foam, fume, rage, rave, rant, tear; go wild, run wild, run mad, go into hysterics; run riot, run amuck; battre la campagne [Fr.], faire le diable a quatre [Fr.], play the deuce.    ... show more

Roget 900: resent, take amiss, take ill, take to heart, take offense, take umbrage, take huff, take exception; take in ill part, take in bad part, take in dudgeon; ne pas entendre raillerie [Fr.]; breathe revenge, cut up rough.    fly into a rage, fall into a rage, get into a rage, fly into a passion; bridle up, bristle up, froth up, fire up, flare up; open the vials of one's wrath, pour out the vials of one's wrath.    pout, knit the brow, frown, scowl, lower, snarl, growl, gnarl, gnash, snap; redden, color; look black, look black as thunder, look daggers; bite one's thumb; show one's teeth, grind one's teeth; champ the bit, champ at the bit.    chafe, mantle, fume, kindle, fly out, take fire; boil, boil over; boil with indignation, boil with rage; rage, storm, foam, vent one's rage, vent one's spleen; lose one's temper, stand on one's hind legs, stamp the foot, stamp with rage, quiver with rage, swell with rage, foam with rage; burst with anger; raise Cain.    have a fling at; bear malice etc. (revenge) 919.    cause anger, raise anger; affront, offend; give offense, give umbrage; anger; hurt the feelings; insult, discompose, fret, ruffle, nettle, huff, pique; excite etc. 824; irritate, stir the blood, stir up bile; sting, sting to the quick; rile, provoke, chafe, wound, incense, inflame, enrage, aggravate, add fuel to the flame, fan into a flame, widen the breach, envenom, embitter, exasperate, infuriate, kindle wrath; stick in one's gizzard; rankle etc. 919; hit on the raw, rub on the raw, sting on the raw, strike on the raw.    put out of countenance, put out of humor; put one's monkey up, put one's back up; raise one's gorge, raise one's dander, raise one's choler; work up into a passion; make one's blood boil, make the ears tingle; throw, into a ferment, madden, drive one mad; lash into fury, lash into madness; fool to the top of one's bent; set by the ears.    bring a hornet's nest about one's ears.    ... show more

Dutch: bruisen, schuimen