noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   A number, derived by applying a suitable algorithm to some data, used to check whether errors have occurred in transmission, storage or data entry.
2. 2
   a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage wordnet

Verb

1. 1
   To compute a checksum.

Synonyms

All synonyms

hashhash

Etymology

From check + sum.

Related phrases

cyclic redundancy checkdata entry

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.