Longman Dictionary of Contemporary English homepage

acid rain

 noun
     
Related topics: Environment and waste
acid rain [uncountable]
SGE rain that contains harmful acid which can damage the environment and is caused by chemicals in the air, for example from cars or factories
WORD FOCUS: environment WORD FOCUS: environment
good for the environment: environmentally friendly, eco-friendly, sustainable, recyclable, biodegradable, renewable, organic
people who want to protect the environment: greens, eco-warriors
things that cause harm to the environment: pollution, greenhouse gases, global warming, acid rain, deforestationenvironment

➔ See also environment
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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