English Dictionary

palindrome

/ˈpælɪndɹəʊm/

noun

A word, phrase, number or any other sequence of units which has the property of reading the same forwards as it does backwards, character for character, sometimes disregarding punctuation, capitalization and diacritics.

Racecar is a palindrome.

意味（1）

A word, phrase, number or any other sequence of units which has the property of reading the same forwards as it does backwards, character for character, sometimes disregarding punctuation, capitalization and diacritics.

“Rise to vote, sir” is an example of a sentence that is a palindrome.

意味（2）

(by extension) A poetic form in which the sequence of words reads the same in either direction.

意味（3）

(genetics) A stretch of DNA in which the sequence of nucleotides on one strand are in the reverse order to that of the complementary strand