backness

== English == === Etymology === From back +‎ -ness. === Pronunciation === IPA(key): /ˈbæk.nɪs/ === Noun === backness (uncountable) (phonetics) Quality of being a back vowel. Antonym: frontness (phonetics) A quality of vowels, indicating the horizontal position of the tongue relative to the back of the mouth (front, near-front, central, near-back, or back). Synonym: frontness Coordinate terms: (vertical dimension) height, (lip articulation) roundedness, length, nasalization, reduction ==== Translations ====