El Niño-Southern Oscillation

/ɛl ˈniːnjoʊ ˈsʌðərn ɒsɪˈleɪʃən/
phraseIntermediate
technical

A recurring climate pattern involving changes in ocean temperatures in the tropical Pacific Ocean, which affects weather systems globally.

Scientists monitor the El Niño-Southern Oscillation to predict droughts and floods.

Researchers track this phenomenon to anticipate extreme weather events.

💡

The term combines 'El Niño' (Spanish for 'the boy') and 'Southern Oscillation,' referring to atmospheric pressure shifts.

Collocations

El Niño phasethe warming phase of the ENSO cycleLa Niña phasethe cooling phase of the ENSO cycle

Synonyms

Related Phrases

La Niñaphrase
the cooling phase of the ENSO cycle
Southern Oscillation Indexphrase
a measure of atmospheric pressure differences

💡Pro Tip

Pronunciation

Emphasize the 'Niño' and 'Oscillation' parts clearly.

Usage

Use in discussions about climate science or weather forecasting.

Gold Rule

Technical Context

This term is specific to meteorology and climate science.

📖Word Origin

From Spanish 'El Niño' (the boy) and the meteorological term 'Southern Oscillation.'

📝Usage Notes

Often abbreviated as ENSO. The 'El Niño' phase brings warmer waters, while 'La Niña' brings cooler waters.

Word Breakdown

El Niño
Spanish for 'the boy,' referring to the warming phase
phrase
+
Southern Oscillation
atmospheric pressure shifts in the Pacific
phrase
English Dictionary