/ ˈdɪskɔːd; NAmE -kɔːrd/ noun
1.
[ U ] ( formal ) disagreement; arguing :
marital / family discord
A note of discord surfaced during the proceedings.
OPP concord
—compare harmony
2.
[ C , U ] ( music ) a combination of musical notes that do not sound pleasant together
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WORD ORIGIN
Middle English : from Old French descord (noun), descorder (verb), from Latin discordare , from discors discordant, from dis- (expressing negation, reversal) + cor , cord- heart.