palindrome - Definitions from Dictionary.com

6 results for: palindrome

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

pal·in·drome

Audio Help [pal-in-drohm] Pronunciation Key

–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; < Gk palíndromos recurring, equiv. to pálin again, back + -dromos running (see -drome)

]

—Related forms

pa·lin·dro·mist

Audio Help [puh-lin-droh-mist] Pronunciation Key, noun

pal·in·drom·ic

Audio Help [pal-in-drom-ik, -droh-mik] Pronunciation Key, pal·in·drom·i·cal, adjective

pal·in·drom·i·cal·ly, adverb

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
palindrome

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American Heritage Dictionary - Cite This Source - Share This

pal·in·drome Audio Help (pāl'ĭn-drōm') Pronunciation Key
n.

A word, phrase, verse, or sentence that reads the same backward or forward. For example: A man, a plan, a canal, Panama!
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 k^wel-¹ in Indo-European roots + dromos, a running.]

pal'in·dro'mic (-drō'mĭk, -drŏm'ĭk) adj.

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Online Etymology Dictionary - Cite This Source - Share This
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."

WordNet - Cite This Source - Share This

palindrome
noun
a word or phrase that reads the same backward as forward

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Palindrome

Pal"in*drome\, n. [Gr. ? running back again; ? again + ? to run: cf. F. palindrome.] A word, verse, or sentence, that is the same when read backward or forward; as, madam; Hannah; or Lewd did I live, & evil I did dwel.

Dictionary.com Word of the Day Archive - Cite This Source - Share This

palindrome

palindrome was Word of the Day on May 4, 1999.

Dictionary.com Word of the Day

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