foam

A mass of small bubbles in liquid, or a light material with tiny air spaces inside.

• White foam covered the waves.
• This pillow is filled with soft foam.
• A layer of foam formed on the beer.

Similar words: froth

Common phrases: soap foam, foam mattress, foam padding, foam rubber

Shoes worn for sport or casual activities; a slang term for trainers.

• He showed off his new foam.
• She bought a fresh pair of foam.
• Those foam look great with your jeans.

Similar words: sneakers, trainers

Common phrases: new foam, wear foam, pair of foam

To produce a mass of small bubbles on the surface of a liquid.

• The soap foams in warm water.
• The butter started to foam in the pan.
• Why does the beer foam when you shake it?

Similar words: froth, bubble

Common phrases: begin to foam, foam up, foam and bubble

To have a mass of small wet bubbles coming out of your mouth.

• The dog began to foam.
• He was foaming at the mouth during the seizure.
• If an animal foams at the mouth, keep your distance.

How to use it: foam at the mouth (The sick animal was foaming at the mouth.)

Similar words: froth

Common phrases: foam at the mouth, begin to foam

To cover a surface with a thick layer of small bubbles.

• Firefighters foamed the runway.
• The crew foamed the tank to prevent a fire.
• They used special equipment to foam the burning surface.

Common phrases: foam a runway, foam the surface