palindrome

[ pal-in-drohm ]
/ ˈpæl ɪnˌdroʊm /

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)

Related forms

pa·lin·dro·mist [puh-lin-droh-mist] /pəˈlɪn droʊ mɪst/, nounpal·in·drom·ic [pal-in-drom-ik, -droh-mik] /ˌpæl ɪnˈdrɒm ɪk, -ˈdroʊ mɪk/, pal·in·drom·i·cal, adjectivepal·in·drom·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for palindrome

palindrome

/ (ˈpælɪnˌdrəʊm) /

noun

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

Derived Forms

palindromic (ˌpælɪnˈdrɒmɪk), adjective

Word Origin for palindrome

C17: from Greek palindromos running back again, from palin again + -drome
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for palindrome

palindrome

[ pălĭn-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.

Related forms

pal′in•dromic (-drōmĭk, -drŏmĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.