labiolingualadj.n.
/ˌleɪbɪə(ʊ)ˈlɪŋɡw(ə)l/, U.S. /ˌleɪbioʊˈlɪŋɡwəl/ A. adj.
1. Phonetics. Of a sound: articulated with the lips and the tongue.
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1849 A. M. Bell New Elucidation Princ. Speech & Elocution 24 Equal combinations of labial and lingual forms produce a set of vowels to which we shall give the name of labio-lingual vowels.
1864 Chambers's Encycl. VI. 101/2 Of this labio-lingual series, the German ü is the most contracted, and the English sound heard in the word err the most open.
1953 Classical Weekly 26 Apr. 193/2 The prescriptivists and descriptivists are busy exchanging phonetic salutes of a vibratory or protracted labio-lingual-fricative nature.
1974 Papers & Rep. Child Lang. Devel. 8 37 Syllabic nasals, bilabial trills (both voiced and unvoiced), and labio-lingual consonants.
2013 D. Odden Introducing Phonol. (ed. 2) iii. 40 Nor is a labiolingual trill (a.k.a. ‘the raspberry’) a speech sound in any language.
2. Chiefly Dentistry. Of or relating to the labial and lingual sides of a (front) tooth; designating an axis or plane passing through these sides of a tooth; existing or occurring in this plane. Cf. buccolingual at bucco- comb. form.
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the world > life > the body > speech organs > types of speech organ > [adjective] > tongue
lingual1774
glossopharyngeal1823
gloss-epiglottic1847
palatoglossal1850
glossal1860
labiolingual1865
glosso-laryngeal1868
orolingual1891
glosso-kinaesthetic1939
the world > life > the body > external parts of body > head > face > mouth > [adjective] > lip or lips
lipped1377
labial1602
labiolingual1865
1865 Brit. Jrnl. Dental Sci. 8 543 In the upper bicuspids the cavity is at first flattened in the labio-lingual direction.
1886 Southern Dental Jrnl. 5 17 In this operation, I had to grind away the labio-lingual aspects of the root.
1908 G. V. Black Wk. Operative Dentistry II. 15 The axio-bucco-lingual plane, or the bucco-lingual plane,..passes through the tooth bucco-lingually parallel with its long axis. In the incisors and cuspids this is the labio-lingual plane.
1940 O. A. Oliver et al. Labio-lingual Technic 10 Used jointly, labial and lingual appliances represent the labio-lingual technic.
1972 Nature 24 Nov. 236/2 The labiolingual compression of the tooth in hominids.
2008 Jrnl. Herpetol. 42 286 Varanidae show labiolingual compression of the tooth.
B. n.
Phonetics. A speech sound articulated with the lips and the tongue; a labiolingual sound (see sense A. 1).
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1858 J. Zimmermann Grammatical Sketch Akra- or Gã-lang. i. 5 f represents a peculiar labiolingual which has the same relation to f, as š to s.
1874 A. J. Ellis On Early Eng. Pronunc. IV. iv. xi. §2. No. 7. 1353 Labials..Labio-dentals..Labio-linguals.
1944 Jrnl. New Jersey State Dental Soc. 16 32/1 In the articulation of labials (p, b, m, wh, and w) labio-dentals (f and v) and labio-linguals (th, voiced and unvoiced), the sounding breath must pass through the stop position.
2005 J. Staun in P. Carr et al. Headhood, Elements, Specif. & Contrastivity 358 The existence of such a three-way contrast will require a representation involving the interaction of |p| and |t| for the labiolingual.
Derivatives
ˌlabioˈlingually adv. chiefly Dentistry in the labiolingual axis or plane.
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1890 Dental Rev. (Chicago) 4 458 These canals in the centrals and laterals enlarge labio-lingually from the extreme points in the crowns to the neck neatly and gradually.
1963 C. R. Cowell et al. Inlays, Crowns, & Bridges iv. 30 Some anterior teeth are exceptionally thin labiolingually.
2013 Proc. National Acad. Sci. U.S.A. 110 6608/1 Diagnosis: large stem varanoid characterized by a deep, massive jaw, teeth short, unserrated, robust, and labiolingually expanded.
This entry has been updated (OED Third Edition, June 2018; most recently modified version published online March 2022).
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adj.n.1849