foam

«foam» in Mova's school dictionary: A mass of many tiny bubbles on top of a liquid or made by… — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

part of speech

noun (foam — uncountable; foams for kinds); verb (foam, foams, foamed, foaming)

meaning for a pupil

1) A mass of many tiny bubbles on top of a liquid or made by mixing air into something, like the foam on the sea, on a bath or on a milkshake. tree →

2) A soft, light material full of tiny holes, used for cushions, mattresses, packaging and toys: foam rubber. tree →

3) As a verb, to make or be covered with bubbles. tree →

4) To foam with rage means to be very angry, as if bubbling at the mouth. tree →

sense in the lessons

In science, foam is a mixture of a gas trapped in a liquid or solid; soap foams because it traps air in thin films. Fire extinguisher foam smothers fires by keeping oxygen away. Polystyrene foam is light and insulates heat (hot-drink cups), but it is hard to recycle. In everyday life, shaving foam, bath foam and toothpaste foam are common. In safety and science, an animal foaming at the mouth may be very ill — keep away and tell an adult. Phrases: "sea foam", "bath foam", "foam rubber", "foam mattress", "foaming at the mouth" (very angry).

examples

• The waves left white foam on the sand. tree →
• The bath foam smelled of strawberries. tree →
• My toothpaste foams up when I brush. tree →
• The fire fighters sprayed foam on the burning car. tree →
• The new sofa has foam cushions. tree →
• The baking soda and vinegar foamed out of the bottle. tree →
• We used foam blocks to build a tower in PE. tree →
• The glass was packed in foam so it wouldn't break. tree →
• Off he tore after the carriage, foaming with rage. tree →

note

Uncountable as a substance: "some foam", "a lot of foam". Regular verb: foamed, foaming. "Froth" means almost the same as foam, especially on drinks. "Foaming at the mouth" is an idiom for being furious.

In the corpora

• Fire extinguishers use water, foam, powder or carbon dioxide; the coloured band shows which fires each one is for.
• Washing-up liquid in a model volcano traps the carbon dioxide in bubbles and makes foam.
• Yeast in warm sugary water wakes up, eats the sugar and foams; water that is too hot kills yeast.
• Foam is just lots of bubbles; soap particles do the cleaning whether there is foam or not.
• Dishwasher detergent is made not to foam, so washing-up liquid must never go in a dishwasher: the foam would overflow.

Trees and pragmatics

Every meaning and example of «foam» parsed by Mova, each sentence with its dependency tree and frames.