延えん長ちょう保ほ証しょうMeaningsNoun1. extended warrantyKanji used延prolong長long保preserve証proofComposed of延えん長ちょうextension; elongation; prolongation; lengthening; (total) length; extension (e.g. of one's work); continuation; extension (of a line segment); extension (property of occupying space); extended game; …Noun保ほ証しょうguarantee; security; assurance; pledge; warrantyNoun