undulate adj : having a sinuate margin and rippled surface

1 stir up (water) so as to form ripples [syn: ripple, ruffle, riffle, cockle]

2 occur in soft rounded shapes; "The hills rolled past" [syn: roll]

3 move in a wavy pattern or with a rising and falling motion; "The curtains undulated"; "the waves rolled towards the beach" [syn: roll, flap, wave]

4 increase and decrease in volume or pitch, as if in waves; "The singer's voice undulated"

English

Etymology

From the unda “wave” via Middle and Late Latin.

Verb

1. To cause to move in a wavelike motion.
2. To cause to resemble a wave
3. To move in wavelike motions.
4. To appear wavelike.

Translations

• Spanish: ondear

Adjective

undulate

1. Wavy in appearance or form.
2. Changing the pitch and volume of one's voice.
3. botany of a margin Winding up and down gradually relative to the blade.

Undulation may refer to:

• Lateral undulation, the most primitive of vertebrate locomotor patterns
• Law of Undulation, an invention of C. S. Lewis
• Undulation of the geoid, the separation between the geoid and the reference ellipsoid of the Earth

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