UNDULATION


Meaning of UNDULATION in English

transcription, транскрипция: [ ˌən-jə-ˈlā-shən, ˌən-dyə-, ˌən-də- ]

noun

Date: 1646

1.

a. : a rising and falling in waves

b. : a wavelike motion to and fro in a fluid or elastic medium propagated continuously among its particles but with little or no permanent translation of the particles in the direction of the propagation : vibration

2. : the pulsation caused by the vibrating together of two tones not quite in unison

3. : a wavy appearance, outline, or form : waviness

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.