| agar | (noun) a colloidal extract of algae; used especially in culture media and as a gelling agent in foods | Synonyms: agar-agar |
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| (noun) any culture medium that uses agar as the gelling agent | Synonyms: nutrient agar |
| beggar | (noun) a pauper who lives by begging | Synonyms: mendicant |
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| budgerigar | (noun) small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors | Synonyms: budgereegah, budgerygah, budgie, grass parakeet, lovebird, Melopsittacus undulatus, shell parakeet |
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| cigar | (noun) a roll of tobacco for smoking | - |
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| cougar | (noun) large American feline resembling a lion | Synonyms: catamount, Felis concolor, mountain lion, painter, panther, puma |
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| eggar | (noun) moth having nonfunctional mouthparts as adults; larvae feed on tree foliage and spin egg-shaped cocoons | Synonyms: egger |
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| gar | (noun) primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth | Synonyms: billfish, garfish, garpike, Lepisosteus osseus |
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| (noun) elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters | Synonyms: billfish, needlefish |
| hangar | (noun) a large structure at an airport where aircraft can be stored and maintained | Synonyms: airdock, repair shed |
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| realgar | (noun) a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic | - |
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| sugar | (noun) a white crystalline carbohydrate used as a sweetener and preservative | Synonyms: refined sugar |
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| (noun) informal terms for money | Synonyms: boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lettuce, lolly, loot, lucre, moolah, pelf, scratch, shekels, simoleons, wampum |
| (noun) an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain | Synonyms: carbohydrate, saccharide |
| vinegar | (noun) sour-tasting liquid produced usually by oxidation of the alcohol in wine or cider and used as a condiment or food preservative | Synonyms: acetum |
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| (noun) dilute acetic acid | - |