| dissilience | (noun) the emergence of seeds as seed pods burst open when they are ripe | - |
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| fossil | (noun) the remains (or an impression) of a plant or animal that existed in a past geological age and that has been excavated from the soil | - |
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| (noun) someone whose style is out of fashion | Synonyms: dodo, fogey, fogy |
| fossilisation | (noun) becoming inflexible or out of date | Synonyms: fossilization |
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| (noun) the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone | Synonyms: fossilization |
| fossilist | (noun) a specialist in paleontology | Synonyms: palaeontologist, paleontologist |
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| fossilization | (noun) becoming inflexible or out of date | Synonyms: fossilisation |
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| (noun) the process of fossilizing a plant or animal that existed in some earlier age; the process of being turned to stone | Synonyms: fossilisation |
| fossilology | (noun) the earth science that studies fossil organisms and related remains | Synonyms: palaeontology, paleontology |
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| microfossil | (noun) a fossil that must be studied microscopically | - |
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| missile | (noun) a weapon that is forcibly thrown or projected at a targets but is not self-propelled | Synonyms: projectile |
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| (noun) a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control | - |