In phonetics, nasalization's the production of a sound while the velum's lowered, so that some air escapes through the nose during the production of the sound by the mouth. An archetypal nasal sound's [n]. In the International Phonetic Alphabet nasalization's indicated by printing a tilde above the symbol for the sound to be nasalized: [ã]'s the nasalized equivalent of [a], and [ṽ]'s the nasalized equivalent of [v]. An older IPA subscript diacritic [ą], called an ogonek,'s still… (More on Nasalization)