Cassiopeia

American  

[kas-ee-uh-pee-uh] / ˌkæs i əˈpi ə /

noun

genitive

Cassiopeiae

1. Astronomy. a northern constellation between Cepheus and Perseus.

2. Classical Mythology. the wife of Cepheus and mother of Andromeda.

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Cassiopeia ¹ British  

/ ˌkæsɪəˈpiːə /

noun

1. Greek myth the wife of Cepheus and mother of Andromeda

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Cassiopeia ² British  

/ ˌkæsɪəˈpiːə /

noun

1. a very conspicuous W-shaped constellation near the Pole Star. Cassiopeia A is a very strong radio and X-ray source, identified as the remnant of a supernova thought to have occurred in the late 17th century

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Cassiopeia Scientific  

/ kăs′ē-ə-pē′ə /

1. A W-shaped constellation in the Northern Hemisphere near Andromeda and Cepheus.

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Other Word Forms

• Cassiopeian adjective

Example Sentences

After collecting the data from Cassiopeia A, they compared the measured amounts of chlorine and potassium with several theoretical models of how supernovae create elements.

From Science Daily

Even Simon Harley-Dickinson must have wondered, from his ever-changing position in the theatrical firmament: What had become of Alexander, Beowulf, and Cassiopeia Incorrigible, the three wards of Lord Fredrick Ashton, of Ashton Place, England?

From Literature

Cassiopeia did the honors of slipping the note beneath the door, as she was closest to the ground.

From Literature

Beowulf had also gotten taller, and even Cassiopeia had lost a touch of her baby plumpness about the cheeks.

From Literature

Cassiopeia kept shouting as they boarded the train.

From Literature