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| pal·in·drome [ pállin drm ] (plural pal·in·dromes) |
noun |
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| Definition: |
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1. text reading same backward as forward: a word, phrase, passage, or number that reads the same forward and backward, e.g. "Anna," "Draw, o coward," or "23832"
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2. mirror-image DNA sequence: a segment of DNA in which the nucleotide sequence in one strand read from one end is the same as the sequence in the complementary strand read from the opposite end. For example, the sequence GGTACC is a palindrome when the complementary strand is CCATGG.
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| [Early 17th century. < Greek palindromos "running back again" < palin "again, back" + form of dramein "to run"] |
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