- to give a labial character to (a sound), for example, to round (a vowel).
Also especially British, la·bi·al·ise.
Origin of labialize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- phonetics to pronounce with articulation involving rounded lips, such as for (k) before a close back vowel (uː) as in English cool