dinumeˈration [ad. L. dīnumerātiōn-em, n. of action from dīnumerāre: see dinumerate.] 1. ‘The act of numbering out one by one’ (Ash). 1626Cockeram, Dinumeration, numbring or reckoning.1721in Bailey.1755Johnson, Dinumeration, the act of numbering out singly. 2.Rhet. Enumeration; = aparithmesis.