Foamfoam (fōm),USA pronunciation n.
- a collection of minute bubbles formed on the surface of a liquid by agitation, fermentation, etc.: foam on a glass of beer.
- the froth of perspiration, caused by great exertion, formed on the skin of a horse or other animal.
- froth formed from saliva in the mouth, as in epilepsy and rabies.
- a thick frothy substance, as shaving cream.
- (in firefighting)
- a chemically produced substance that smothers the flames on a burning liquid by forming a layer of minute, stable, heat-resistant bubbles on the liquid's surface.
- the layer of bubbles so formed.
- a dispersion of gas bubbles in a solid, as foam glass, foam rubber, polyfoam, or foamed metal.
- [Literary.]the sea.
- to form or gather foam;
- to cause to foam.
- to cover with foam;
apply foam to: to foam a runway before an emergency landing.
- to insulate with foam.
- to make (plastic, metal, etc.) into a foam.
- foam at the mouth, to be extremely or uncontrollably angry.
Roofroof (ro̅o̅f, rŏŏf ),USA pronunciation n., pl. roofs, v.
- the external upper covering of a house or other building.
- a frame for supporting this: an open-timbered roof.
- the highest part or summit: The Himalayas are the roof of the world.
- something that in form or position resembles the roof of a house, as the top of a car, the upper part of the mouth, etc.
- a house.
- the rock immediately above a horizontal mineral deposit.
- go through the roof:
- to increase beyond all expectations: Foreign travel may very well go through the roof next year.
- Also, hit the roof, [Informal.]to lose one's temper;
become extremely angry.
- raise the roof, [Informal.]
- to create a loud noise: The applause raised the roof.
- to complain or protest noisily: He'll raise the roof when he sees that bill.
- to provide or cover with a roof.
Coatingcoat•ing (kō′ting),USA pronunciation n.
- a layer of any substance spread over a surface.
- fabric for making coats.