tide

Definition

The daily fluctuation in the level of the sea caused by the gravitational influence of the moon and the sun.

Etymology

Etymology tree Proto-Indo-European *deh₂y- Proto-Indo-European *-tis Proto-Indo-European *déh₂itis Proto-Germanic *tīdiz Proto-West Germanic *tīdi Old English tīd Middle English tyde English tide Inherited from Middle English tyde, from Old English tīd, from Proto-West Germanic *tīdi, from Proto-Germanic *tīdiz, from Proto-Indo-European *déh₂itis, from *deh₂y- + *-tis. Related to time.

Example Sentences

• "The Bristol Channel has some of the world's largest tides."
• "A lot of driftwood was brought in on the tide."
• "As well as sea tides, there are much smaller land tides."