Tsunami
/tsuˈnɑmi/
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Definition
(noun) A very large and destructive wave, generally caused by a tremendous disturbance in the ocean, such as an undersea earthquake or volcanic eruption; often a series of waves (a wave train).
Sentence Examples
The coast was warned against a tsunami.
There was an earthquake and, in addition, there was a tsunami.
CEFR Practice Quiz
A massive ____ was triggered by the powerful undersea earthquake, causing widespread damage along the coast today.