foam

a white or cream-coloured substance that forms on the surface of a liquid, especially when it is shaken or stirred

espuma

• foam on something

Collocations foam on beer · sea foam

• A layer of foam appeared on the top of the beer.

  Una capa de espuma apareció en la parte superior de la cerveza.

to form foam, or to make something form foam

formar espuma

• [intransitive], [T + obj]

Collocations foam at the mouth · foam a drink

• The dog was foaming at the mouth.

  El perro estaba espumando en la boca.

a soft material that is used to protect something from being damaged or broken, especially when it is being transported

material de protección, espuma

• [singular], [plural]

Collocations foam packaging · foam cushion

• The package was wrapped in foam to protect the contents.

  El paquete estaba envuelto en espuma para proteger el contenido.

to attack or criticize someone very strongly, especially in public

atacar verbalmente, criticar fuertemente

• [transitive], [intransitive]

Collocations foam at the mouth (figurative) · foam someone with criticism

• He foamed at the mouth when he heard about the decision.

  Se puso furioso cuando escuchó sobre la decisión.