foamnoun/ˈfəʊ̯m/

• 1

  A substance composed of a large collection of bubbles or their solidified remains, especially

  • Similarly, the biotech giant Cargill has begun manufacturing a polymer from vegetable oils that is used in polyurethane foams, which is found in beddings, furniture and car-seat headrests.
  • Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads.
• 2

  A substance composed of a large collection of bubbles or their solidified remains, especially:

  • ’Tis thou that rigg’st the bark and plough’st the foam,
  • 1798, Samuel Taylor Coleridge, The Rime of the Ancient Mariner in Lyrical Ballads, London: J. & A. Arch, p. 12, The breezes blew, the white foam flew, / The furrow follow’d free: / We were the first that ever burst / Into that silent Sea.
• 3

  A substance composed of a large collection of bubbles or their solidified remains, especially:

  • “Again. Tell it again!” cried Fagin, tightening his grasp on Sikes, and brandishing his other hand aloft as the foam flew from his lips.
  • The horses were flecked with foam and their breathing was noisy.
• 4

  A substance composed of a large collection of bubbles or their solidified remains, especially:

  • a quart jug with a crown of foam upon it
  • The last of the milk vanished in a swirl of foam and gurgling.
• 5

  A substance composed of a large collection of bubbles or their solidified remains, especially:

  • […] she concentrated on the foam in the sink, tempering the water.
  • Later we shared a bath with foam up to our ears, like they always discreetly have in films.
• 6

  firefightinggovernmentA substance composed of a large collection of bubbles or their solidified remains, especially:

• 7

  cookingfoodlifestyleA substance composed of a large collection of bubbles or their solidified remains, especially:

  • His specialty is a mango foam.
• 8

  A material formed by trapping pockets of gas in a liquid or solid.

  • A foam mat can soften a hard seat.

foamverb/ˈfəʊ̯m/

• 1

  To form or emit foam.

  • […] And that is it Hath made me rig my navy; at whose burthen The anger'd ocean foams; with which I meant To scourge the ingratitude that despiteful Rome Cast on my noble father.
  • When the fierce North-wind with his airy forces Rears up the Baltic to a foaming fury;
• 2

  To spew saliva as foam; to foam at the mouth.

  • […] to London will we march amain, And once again bestride our foaming steeds, And once again cry ‘Charge upon our foes!’ But never once again turn back and fly.
  • Master, I have brought unto thee my son, which hath a dumb spirit; And wheresoever he taketh him, he teareth him: and he foameth, and gnasheth with his teeth, and pineth away.
• 3

  firefightinggovernmentTo coat or cover with foam.

  • It used to be common practice to foam the runway prior to an emergency landing, in case a fuel-fed fire occurred.