lub-dub
Used to represent the normal rhythm of the heart on auscultation, comprising the first…Used to represent the normal rhythm of the heart on auscultation, comprising the first and second heart sounds.
Meaning
1 senses(onomatopoeic)Used to represent the normal rhythm of the heart on auscultation, comprising the first and second heart sounds.
Origin
The low-pitched, longer first heart sound forms lub. The higher-pitched, shorter second heThe low-pitched, longer first heart sound forms lub. The higher-pitched, shorter second heart sound forms dub.
Wiktionary, CC BY-SA 4.0 · source
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.