1. A word, phrase, verse, or sentence that reads the same backward or forward. For example: A man, a plan, a canal, Panama!
2. A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.
[From Greek palindromos, running back again, recurring : palin, again; see kwel-1 in the Appendix of Indo-European roots + dromos, a running.]
pal′in·dromic (-drōmĭk, -drŏmĭk) adj.
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