Tidal Meaning
/ˈtaɪ.d(ə)l/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
adjRelating to tides.
Sentence Examples
It is carried away by tidal waves.
The tidal wave warning has been canceled.
This moon was ripped apart by tidal forces.
CEFR Practice Quiz
The ____ nature of the estuary means water levels change every few hours.
CEFR Practice Quiz (Alternate)
The ____ movement of the ocean is caused by the gravitational pull of the moon and the sun on the earth today.
Word Origin & History
From tide + -al. Probably a hybrid formation within English. Alternatively it might be from an unattested British Medieval Latin *tīdālis, derived from rare tīda, from Old English tīd. The usual Latin word for “tidal” is aestuālis.
Literary Quotations & Historical Citations
"Since then, the length of an Earth day has slowed to its present 24 hours due to the fact that the moon's gravitational pull "steals" some of energy Earth uses to spin, in addition to causing tidal friction, according to the Institute."
— 2025 July 22, Julia Jacobo, “July 22 will be the second-shortest day of the year, scientists say”, in ABC News:
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CEFR Practice Quiz
The ____ nature of the estuary means water levels change every few hours.
CEFR Practice Quiz (Alternate)
The ____ movement of the ocean is caused by the gravitational pull of the moon and the sun on the earth today.