Word of the Week

Un​du​la​tion /ən-jə-ˈlā-shən/

: 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

auf deutsch ist es: Un​du​la​tion

auf portugiesisch: Un​du​la​ção