palindrome
[pal-in-drohm]
noun
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.
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 of palindrome
1620–30; < Greek palíndromos recurring, equivalent to pálin again, back + -dromos running (see -drome)
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
palindrome
noun
Word Origin for palindrome
C17: from Greek palindromos running back again, from palin again + -drome
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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palindrome
Online Etymology Dictionary, © 2010 Douglas Harper
palindrome
[păl′ĭn-drōm′]
n.
The American Heritage® Stedman's Medical Dictionary
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