say it: kuh-myoo-nuh-KAY-shuhn
communication is a noun meaning "the activity of communicating; the activity of conveying information". It carries 3 recorded senses.
the activity of communicating; the activity of conveying information
“they could not act without official communication from Moscow”
something that is communicated by or to or between people or groups
a connection allowing access between persons or places
“how many lines of communication can there be among four people?”
“a secret passageway provided communication between the two rooms”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for communication come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.