| butacaine | (noun) a white crystalline ester that is applied to mucous membranes as a local anesthetic | Synonyms: butacaine sulfate |
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| catacaustic | (noun) a caustic curve formed by light reflecting from a curved surface. | - |
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| metacarpal | (adjective) of or relating to the metacarpus | - |
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| (noun) any bone of the hand between the wrist and fingers | Synonyms: metacarpal bone |
| metacarpus | (noun) the part of the hand between the carpus and phalanges | - |
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| pataca | (noun) the basic unit of money in Macao | - |
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| tacamahac | (noun) poplar of northeastern North America with broad heart-shaped leaves | Synonyms: balsam poplar, hackmatack, Populus balsamifera |
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