noun🔗ShareAn instance or act of undulating."The gentle undulations of the wheat field reminded me of waves on the ocean. "naturephysicsgeographygeologyoceanChat with AIVocabulary GamePractice Reading
noun🔗ShareA wavy appearance or outline; waviness."The road had slight undulations, making the bike ride a little bumpy. "appearancenatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA tremulous tone produced by a peculiar pressure of the finger on a string."The guitarist added subtle undulations to the melody by gently rocking his finger on the fret. "musicsoundsensationChat with AIVocabulary GamePractice Reading
noun🔗ShareA wavelike curve; a smooth and regular rise and fall."The car traveled smoothly over the undulations of the newly paved road. "naturegeographyphysicsappearanceChat with AIVocabulary GamePractice Reading
noun🔗ShareA wavelike motion of the air; electromagnetic radiation."The heat from the desert road caused shimmering undulations in the air, making it difficult to see distant objects clearly. "physicsenergysoundenvironmentChat with AIVocabulary GamePractice Reading
noun🔗ShareA feeling as if of an undulatory motion about the heart."After the doctor listened to my heart, he said he detected slight undulations, likely due to stress. "sensationphysiologybodyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe distinctive motion of the matter within an abscess on being pressed when it is ripe for opening."The doctor gently pressed on the ripe abscess, noting the distinct undulations of the pus beneath the skin, indicating it was ready to be lanced. "medicinebodyphysiologydiseaseconditionanatomyChat with AIVocabulary GamePractice Reading
