backscanning

Verb

backscan (third-person singular simple present backscans, present participle backscanning, simple past and past participle backscanned)

1. (rare, transitive) To scan something from the back or rear side.
   • If at any stage it is impossible to make the required allocation of a node or line, or after the last E-word to find other realisations with the same mesh point 1, the control stream is backscanned by the interpreter to the first significant new allocation and the forward scan restarted.1968, Machine Intelligence, Volume 2, page 86

See all 2 meanings of backscan