IPA: /nɒn.kənˈkɜːrəns/
KK: /nɑnˈkɜr.əns/
A situation where people do not agree or share the same opinion.
The committee reached a decision despite the nonconcurrence of several members.
Nonconcurrence → It is formed from "non-" (meaning not) and "concurrere" (from Latin, meaning to run together or agree). The word describes a state of not agreeing or not being in accord with others.
Think of 'not' ('non-') agreeing or 'running together' ('concurrere') with others — that's what nonconcurrence means.