palindrome

[pal-in-drohm]
noun
1.
a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
2.
Biochemistry. a region of DNA in which the sequence of nucleotides is identical with an inverted sequence in the complementary strand: GAATTC is a palindrome of CTTAAG.

Origin:
1620–30; < Greek palíndromos recurring, equivalent to pálin again, back + -dromos running (see -drome)

palindromist [puh-lin-droh-mist] , noun
palindromic [pal-in-drom-ik, -droh-mik] , palindromical, adjective
palindromically, adverb
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World English Dictionary
palindrome (ˈpælɪnˌdrəʊm)
 
n
a word or phrase the letters of which, when taken in reverse order, give the same word or phrase, such as able was I ere I saw Elba
 
[C17: from Greek palindromos running back again, from palin again + -drome]
 
palindromic
 
adj

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Etymonline
Word Origin & History

palindrome
"a line that reads the same backward and forward," c.1629, from Gk. palindromos "a recurrence," lit. "a running back," from palin "again, back" (from PIE base *kwel- "move round," with notion of "revolving; see cycle) + dromos "a running."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

palindrome pal·in·drome (pāl'ĭn-drōm')
n.
A segment of double-stranded DNA in which the nucleotide sequence of one strand reads in reverse order to that of the complementary strand.


pal'in·dro'mic (-drō'mĭk, -drŏm'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
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Encyclopedia Britannica
Encyclopedia

palindrome

word, number, sentence, or verse that reads the same backward or forward. The term derives from the Greek palin dromo ("running back again").

Learn more about palindrome with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
For a start, 11 generates palindromes like no other number.
In Greek "palin" means just that: "backwards again" as in palindrome.
Palindromes and near-palindromes are wonderful as well, Otto.
If you mean "Hu" is a near palindrome, any two letter word is as well (including "he").
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