undulation

/,ʌndju'leiʃn/

Thân thiện

The flag shows a gentle undulation in the breeze.

Definition

1. Noun:
   • A smooth, wavelike motion or pattern: A gentle, continuous rising and falling movement or a series of smooth, wave-like curves.
   • A single instance of such a motion or curve: One complete wave-like rise and fall within a series.
   • (Physics) A periodic oscillation: A regular movement up and down or back and forth.

Examples of Usage

• Noun:
  • The undulation of the wheat fields in the wind was a beautiful sight.
  • The road followed the gentle undulations of the hillside.
  • In physics, we studied the undulation of a spring.

Advanced Usage

• "with an undulation": describing a manner of movement.
  • The snake moved with a smooth undulation.
• "the undulation of": to specify what is moving in a wavy pattern.
  • We could see the undulation of the flag from a distance.

Variants and Related Words

• Undulate (verb): to move with a smooth, wavelike motion or to have a wavy form or outline.
  • The grass undulated in the breeze.
• Undulatory (adjective): having the form or character of waves; moving in waves.
  • The undulatory motion of the sea was calming.

Synonyms

• Wave: A ridge or swell on the surface of a liquid or other substance.
• Ripple: A small wave or series of waves on the surface of water.
• Rolling motion: A long, gentle, rising and falling movement.

Related Phrases

• Undulating terrain: Land characterized by long, smooth slopes and rises.
  • The cyclists struggled with the undulating terrain.
• Undulating rhythm: A flowing, wave-like pattern in music or speech.
  • The poem had a beautiful, undulating rhythm.

Học thuật

Noun

1. (physics) a movement up and down or back and forth
2. wavelike motion; a gentle rising and falling in the manner of waves
3. an undulating curve

Từ đồng nghĩa

• wave