undulatory

[uhn-juh-luh-tawr-ee, -tohr-ee, uhn-dyuh-, -duh-]
adjective
1.
Also, undular. moving in undulations.
2.
having the form or appearance of waves.
Also, undulative [uhn-juh-ley-tiv, uhn-dyuh-, -duh-] .


Origin:
1720–30; undulate + -ory1

nonundulatory, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
undulatory (ˈʌndjʊlətərɪ, -trɪ)
 
adj
1.  caused by or characterized by waves or undulations
2.  having a wavelike motion or form

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The large quartz grains show undulatory extinction often partially altered.
The basal contact is sharp, undulatory, and directly overlain by a thin gravel bed.
Where it is thin, the undulatory, uneven bedrock surface shows through.
Several of the largest sillimanite grains are gently kinked and show undulatory extinction.
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