butene | (noun) any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers | Synonyms: butylene |
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carotene | (noun) an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver | Synonyms: carotin, provitamin A |
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(noun) yellow or orange-red fat-soluble pigments in plants | - |
ctene | (noun) a locomotor organ consisting of a row of strong cilia whose bases are fused | Synonyms: comb-plate |
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diplotene | (noun) the fourth stage of the prophase of meiosis | - |
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leptotene | (noun) the first stage of the prophase of meiosis | - |
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pachytene | (noun) the third stage of the prophase of meiosis | - |
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polybutene | (noun) a polymer of butylene; used in lubricants and synthetic rubber | Synonyms: polybutylene |
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zygotene | (noun) the second stage of the prophase of meiosis | - |
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