Meaning: Membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional. Classified under: Nouns denoting animals. Synonyms: umbilical vesicle; vesicula umbilicus; vitelline sac; yolk sac. Hypernyms (vesicula umbilicus is a kind of...): sac (a structure resembling a bag in an animal)
electric fan; blower. Hypernyms (blower is a kind of...): fan (a device for creating a current of air by movement of a surface or surfaces) Meronyms (parts of blower): electric motor (a motor that converts electricity to mechanical work) fan blade (blade of a rotating fan)
Blower surge is one of those hot-rod dynamics that presents a paradox to enthusiasts. In one ear it sounds like the engine is struggling if not defective. Then the other ear is treated to a throbbing cadence of performance pulses that help define a unique cool factor that not everyone understands. On one hand blower surge can be so smooth and melodic that itâll put a crying baby to sleep.