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- A large and sudden rise and fall in the tide.
- (proscribed) A large, sudden, and disastrous wave of water caused by a tremendous disturbance in the ocean; a tsunami. (See Usage notes below.)
- The last tidal wave here killed twenty and left thousands homeless.
- (proscribed) A large, sudden inundation of water from the storm surge, or waves of that surge.
- (figuratively) A sudden and powerful surge.
- 2003, Michael Moore, chapter 3, in Dude, Where’s My Country:
- But this is no stream, folks. This will be a tidal wave that can swamp our democracy.
- As the doors opened, a tidal wave of people flooded into the room.
- I was overcome by a tidal wave of emotions.
- (archaic) A crest of ocean water; a wave.
- (oceanography) A crest of ocean water resulting from tidal forces.
- For some time now, it has been common to correct the use of tidal wave that refers to a disastrous wave caused by a disturbance in the ocean, with the term tsunami suggested in its stead. In scientific publications, tsunami has become the standard term for this phenomenon, though in the mass media and elsewhere, they are used interchangeably and frequently, tsunami seeing more usage on the whole.
- The sense of tidal wave that is synonymous with tsunami has long been in the English language, and relates to the uncommon sense of tidal that refers to any rise and fall in the water level of any large body of water, and not just the daily rising and falling caused by the moon (see storm tide, hurricane tide, and tidal flood). While there is nothing that is strictly speaking ‘incorrect’ with regard to this usage of tidal wave, many people believe that the term should simply not be linked with the term tide at all, to avoid the possibility of any confusion as to the cause of a tidal wave.
- Tsunami was at one point strongly associated with scientific use, and many people would have considered it pedantic in ordinary conversation, but its prevalence in mass media and popular media has most likely reduced or eliminated this association. Currently it is a (mostly) non-contentious term that can be used in place of the more contentious and oft-corrected tidal wave.
- For quotations of use of this term, see Citations:tidal wave.
large and sudden rise and fall in the tide
figurative: sudden, powerful surge
archaic: ocean wave
oceanography: crest of ocean water resulting from tidal forces
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.
Translations to be checked