El Niño
noun/ˌel ˈniːnjəʊ/
/ˌel ˈniːnjəʊ/
[uncountable]- a set of changes in the weather system near the coast of northern Peru and Ecuador that happens every few years, causing the surface of the Pacific Ocean there to become warmer and having severe effects on the weather in many parts of the world compare La Niña
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El Niño