| caldera | (noun) a large crater caused by the violent explosion of a volcano that collapses into a depression | - |
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| camera | (noun) equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other) | Synonyms: photographic camera |
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| (noun) television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam | Synonyms: television camera, tv camera |
| chelicera | (noun) either of the first pair of fang-like appendages near the mouth of an arachnid; often modified for grasping and piercing | - |
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| chimaera | (noun) a deep-sea fish with a tapering body, smooth skin, and long threadlike tail | - |
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| (noun) a grotesque product of the imagination | Synonyms: chimera |
| chimera | (noun) a grotesque product of the imagination | Synonyms: chimaera |
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| cholera | (noun) an acute intestinal infection caused by ingestion of contaminated water or food | Synonyms: Asiatic cholera, epidemic cholera, Indian cholera |
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| curandera | (noun) a Mexican woman who practices healing techniques inherited from the Mayans | - |
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| diapheromera | (noun) a variety of stick insect | Synonyms: Diapheromera femorata |
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| ephemera | (noun) something transitory; lasting a day | - |
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| era | (noun) a period marked by distinctive character or reckoned from a fixed point or event | Synonyms: epoch |
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| (noun) a major division of geological time; an era is usually divided into two or more periods | Synonyms: geological era |
| etcetera | (noun) additional unspecified odds and ends; more of the same; entity, other pronoun; pronoun, entity; quantifier: other | - |
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| forestiera | (noun) any plant of the genus Forestiera | - |
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| habanera | (noun) a Cuban dance in duple time | - |
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| (noun) music composed in duple time for dancing the habanera | - |
| monstera | (noun) tropical cylindrical fruit resembling a pinecone with pineapple-banana flavor | Synonyms: ceriman |
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| (noun) any plant of the genus Monstera; often grown as houseplants | - |
| opera | (noun) a building where musical dramas are performed | Synonyms: opera house |
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| (noun) a drama set to music; consists of singing with orchestral accompaniment and an orchestral overture and interludes | - |
| puerpera | (noun) a woman in childbirth or shortly thereafter | - |
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| sclera | (noun) the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball | Synonyms: sclerotic coat |
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| scorzonera | (noun) long black salsify | Synonyms: black salsify |
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| (noun) perennial south European herb having narrow entire leaves and solitary yellow flower heads and long black edible roots shaped like carrots | Synonyms: black salsify, Scorzonera hispanica, viper's grass |
| tempera | (noun) pigment mixed with water-soluble glutinous materials such as size and egg yolk | Synonyms: poster color, poster colour, poster paint |
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| tessera | (noun) a small square tile of stone or glass used in making mosaics | - |
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| vinifera | (noun) common European grape cultivated in many varieties; chief source of Old World wine and table grapes | Synonyms: common grape vine, vinifera grape, Vitis vinifera |
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| viscera | (noun) internal organs collectively (especially those in the abdominal cavity) | Synonyms: entrails, innards, insides |
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