"Additional confirmation" refers to extra proof or evidence that supports or verifies something already believed or known to be true.
Sentences with «additional confirmation»
We include owner information in the event we need additional confirmation of information. (bernergarde.org)
Their research has since provided support for this theory, and the new experiments offer additional confirmation for the theory that nerve signals are sound pulses. (sciencedaily.com)
But experts say the result needs additional confirmation, in particular because the signature doesn't fully agree with theoretical predictions. (sciencenews.org)