fantasia /fan-tāˈzi-ə, -täˈ, -zhə or -tə-zēˈə/

1. A musical or other composition not governed by the ordinary rules of form
2. A piece of music based on a selection of well-known melodies

• seisins
• seism
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• seismic array
• seismicities
• seismicity
• seismic prospecting
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• seismism
• seismisms
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• seismogram
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• seismographies
• seismographs
• seismography