undulation

• Существительное, обозначающее волнообразное движение, плавное поднятие и опускание наподобие волн или извилистую кривую; в физике также может описывать движение вверх-вниз или взад-вперед.

A noun referring to a wavelike motion, a gentle rising and falling in the manner of waves, or an undulating curve; in physics, it can also describe a movement up and down or back and forth.

1. Wavelike curve or shapeC1formal

   A wavy, curving line or surface that rises and falls gently.

   Волнистая кривая или форма

   • The landscape was marked by gentle undulations of green hills.
   • The artist captured the undulation of the sand dunes in her painting.
   • The road followed the natural undulation of the terrain.

   Synonymsbillowcurvaturemeanderripplerollingsinuosityswellwavewaviness

2. Wavelike motionC1formal

   A gentle rising and falling movement, similar to the motion of waves.

   Волнообразное движение

   • The undulation of the wheat field in the wind was mesmerizing.
   • The dancer's movements had a smooth, rhythmic undulation.
   • The boat rocked with the undulation of the sea.

   Synonymsfluctuationoscillationrippleswellwave

3. Physical wave motionC2formalscientific

   A movement up and down or back and forth, as in a wave or oscillation.

   Волнообразное движение

   • The undulation of the string created a standing wave pattern.
   • Sound waves are a form of undulation through a medium.
   • The seismograph recorded the undulation of the ground during the earthquake.

   Synonymsfluctuationheaveoscillationpulsationrippleswayvibrationwave