PARALANGUAGE

paralanguage, paralinguistic communication

(noun) the use of manner of speaking to communicate particular meanings

Source: WordNet® 3.1

Etymology

Noun

paralanguage (countable and uncountable, plural paralanguages)

(linguistics) The non-verbal elements of speech, and to a limited extent of writing, used to modify meaning and convey emotion, such as pitch, volume, and intonation

Source: Wiktionary