Associations to the word «Undulation»

Wiktionary

UNDULATION, noun. An instance or act of undulating
UNDULATION, noun. A wavy appearance or outline; waviness
UNDULATION, noun. (music) a tremulous tone produced by a peculiar pressure of the finger on a string
UNDULATION, noun. A wavelike curve; a smooth and regular rise and fall
UNDULATION, noun. A wavelike motion of the air; electromagnetic radiation

Dictionary definition

UNDULATION, noun. An undulating curve.
UNDULATION, noun. Wavelike motion; a gentle rising and falling in the manner of waves.
UNDULATION, noun. (physics) a movement up and down or back and forth.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats