Undulating is spelled with five syllables: /ʌnˈdjuːleɪtɪŋ/. The first syllable is pronounced with the short vowel sound /ʌ/, as in "up". The second syllable has the diphthong /juː/, as in "you". The third syllable is pronounced with the short vowel sound /lɛɪ/, as in "lay". The fourth syllable has the consonant sound /t/, followed by the unstressed vowel sound /ɪŋ/, as in "ing". Overall, the word undulating means to move in a wavelike motion, like the rolling of ocean waves.
Undulating is an adjective used to describe a motion or surface that resembles a series of gentle waves or smooth, curved lines. This term is frequently employed to depict a movement or path that is characterized by a continuous and gentle rising and falling motion, similar to the rhythmic wavering of ocean waves or the rippling of a flowing river. When applied to a surface, undulating implies that it is not flat or level, but instead displays a gradual and repetitive curvature, forming a smooth and flowing pattern.
The undulating motion can also refer to a continuous and subtle variation in intensity, pitch, or volume, often observed in sounds or music that gently rise and fall in a wavelike manner. This term is frequently used to describe landscapes with rolling hills and valleys, as well as waves of sand dunes or similarly shaped geological formations. In nature, undulation can be seen in the graceful movements of animals or the fluttering of foliage in a gentle breeze. Metaphorically, this adjective can also be used to illustrate a fluctuating pattern or trend, such as undulating prices in the stock market or undulating emotions in a person's demeanor. Overall, undulating captures the essence of a smooth, curving, and broadly undulating movement or surface.
• Waving.
• Wavy; rising and falling, as waves.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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The word "undulating" derives from the Latin word "undula", which means "a small wave" or "a small billow". It is the diminutive form of "unda", meaning "wave" or "water". The Latin word "unda" is related to the Sanskrit word "udati", which means "he rises" or "he waves". The term "undulating" entered English in the late 17th century, referring to the motion or appearance of something that resembles waves or wavy motion.