OOV /uːv/noun 1prepositional phrase 1forms 1 noun1 •An item in a television (especially news) broadcast consisting of pictures alone, to be played on screen while the presenter continues to talk out of vision and provide commentary. prepositional phrase1 •Initialism of out of vocabulary: describing a term encountered in the input which is not present in a system's dictionary or database of known terms.Rather, the n-grams are calculated as usual only for the most common k words, and all other words are regarded as Out-Of-Vocabulary (OOV) items and mapped to a single token such as . — 1991 formsOOVs
