tidal

American  

[tahyd-l] / ˈtaɪd l /

adjective

1. of, pertaining to, characterized by, or subject to tides: tide.

   a tidal current.

2. dependent on the state of the tide as to time of departure.

   a tidal steamer.

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tidal British  

/ ˈtaɪdəl /

adjective

1. relating to, characterized by, or affected by tides

   a tidal estuary

2. dependent on the state of the tide

   a tidal ferry

3. (of a glacier) reaching the sea and discharging floes or icebergs

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Other Word Forms

• nontidal adjective
• tidally adverb
• untidal adjective

Etymology

Origin of tidal

First recorded in 1800–10; tide ¹ + -al ¹

Example Sentences

Strong tidal forces can generate heat inside a moon, keeping it geologically active.

From Science Daily

She said Malibu’s location at the base of coastal mountains requires the city to safeguard homes from hazards such as landslides and tidal erosion, which takes additional time.

From The Wall Street Journal

She feels investment should be concentrated on technologies such as tidal energy, as proposed by Morlais off the western coast of Anglesey.

From BBC

"The star must have been spun up through tidal interactions with its companion, which further supports the idea that this system has a complex history."

From Science Daily

In the Triassic period - between about 250 and 201 million years ago - the wall was a tidal flat, which later became part of the Alpine chain.

From BBC

Related Words

• falling
• rolling
• running
• sinuous
• streaming