| 1. | The small shell is ovate, thick and slightly gibbous.
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| 2. | "Mecynoceras " has a compressed, gibbous cyrtoconic shell.
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| 3. | The glare from an 80 % waning gibbous Moon also hindered observations.
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| 4. | The class shouts terms like gibbous and waning crescent.
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| 5. | The name is descriptive of their rounded shapes ( gibbous meaning humped ).
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| 6. | The class shouts terms like gibbous ( GIB-us ) and waning crescent.
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| 7. | On " gibbous " the dictionary notes
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| 8. | Craters may also be conspicuous during a gibbous moon, when it is between quarter and full.
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| 9. | The shell is gibbous adorally, such that the body chamber is widest well behind the aperture.
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| 10. | A gibbous, cloudy, waning moon arises later and later, wrapped in rain clouds and mists.
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