Dumbbell (disambiguation)
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*A dumbbell is a piece of equipment used in weight training.
- The Dumbbell Nebula is a planetary nebula (M27), which is shaped like a dumbbell.
- "Dumbbell" is a term used pejoratively as a mild insult, describing someone who is perceived as stupid.
- Physics: A p atomic orbital has the approximate shape of a pair of lobes on opposite sides of the nucleus, or a somewhat dumbbell shape.
- The name "dumbbell tenement" was also used for the apartment buildings in the Eastside of New York in the late 19th century, where immigrant families lived under incredibly tightly packed conditions. The building footprint of these apartments (often without windows communicating with outside air) resembled a dumbbell.