undulation

n. 波动, 波状弯曲, 起伏 [医] 波动

发音

其它

词形变化

undulations 复数 undulations

释义与例句

n.
  1. 1.

    An instance or act of undulating.

    可数 不可数
  2. 2.

    A wavy appearance or outline; waviness.

    可数 不可数
  3. 3.

    A tremulous tone produced by a peculiar pressure of the finger on a string.

    可数 不可数 音乐
  4. 4.

    A wavelike curve; a smooth and regular rise and fall.

    可数 不可数
  5. 5.

    A wavelike motion of the air; electromagnetic radiation.

    可数 不可数
  6. 6.

    A feeling as if of an undulatory motion about the heart.

    可数 过时 不可数 医学
  7. 7.

    The distinctive motion of the matter within an abscess on being pressed when it is ripe for opening.

    可数 过时 不可数 医学

词汇关系

名词

同义词 1

wave

上位词 3

movement motion curve

下位词 10

pulse impulse flap flapping vibration flutter fluttering pulsing shockwave fluctuation

词源

From undulate + -ion, or borrowed from Medieval Latin undulātiō; compare French ondulation.

来源：wiktionary