pollution

S2 W2

BrE /pəˈluːʃn/ AmE /pəˈloʊʃn/

noun en → es

1 ENVIRONMENTAL HARM [uncountable] B1

harmful substances or waste that are put into the air, water, etc., and damage the environment

contaminación, polución

  • pollution of something

Collocations air pollution · water pollution

  • The city has a serious problem with air pollution.

    La ciudad tiene un serio problema de contaminación del aire.

2 NOISE [uncountable] B1

unpleasant or harmful noise, especially in towns and cities

ruido molesto, ruido polución

  • noise pollution

Collocations reduce noise pollution · noise pollution levels

  • Noise pollution is a major problem in big cities.

    La contaminación acústica es un problema importante en las grandes ciudades.

3 ELECTRONIC [uncountable] C1

the sending of too many emails or messages that are not wanted, especially to a person's computer or mobile phone

spam, correo basura

  • email pollution

Collocations reduce email pollution · fight against email pollution

  • Email pollution is a growing problem for businesses.

    La contaminación por correo electrónico es un problema creciente para las empresas.