noun Download 🔗Share A cord connecting an astronaut to a spacecraft, or a craft to ground control prior to launch, etc. Examples : "Before launch, the spacecraft's umbilical provided power and data connections to ground control. " space technology vehicle communication machine Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Of, or relating to, the navel (umbilicus) or the umbilical cord. Examples : "The doctor examined the newborn's umbilical cord stump before the baby went home. " anatomy physiology body medicine organ biology human organism Chat with AIVocabulary GamePractice Reading
adjective Download 🔗Share Such that the curvatures of normal sections are all equal to each other. Examples : "A perfectly round ball has an umbilical surface because the curvature is the same in every direction at any point. " math Chat with AIVocabulary GamePractice Reading