double-count

double-count (plural double-counts)

1. The process of or results of a second tally, for purposes of accuracy and/or safety.

   For controlled substances' prescriptions pharmacists do a double-count as a matter of course.

2. An error in accounting etc. where something is counted more than once.

double-count (third-person singular simple present double-counts, present participle double-counting, simple past and past participle double-counted)

1. To perform a double-count, to count twice.