) KEY NOUN:
- 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
; see kwel-1
in Indo-European roots + dromos
, a runningOTHER FORMS:palin·dromic
k) KEY (Adjective)