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)
Furnaces generate heat, and blower motors power the fans that distribute heat throughout the structure. They must be powerful enough to send heat throughout a home and durable enough to constantly... Furnaces generate heat, and blower motors power the fans that distribute heat throughout the structure. They must be powerful enough to send heat throughout a home and durable enough to constantly... Star Gazing