verb (used with object), la·bi·al·ized, la·bi·al·iz·ing. Phonetics.
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. 2019
phonetics to pronounce with articulation involving rounded lips, such as for (k) before a close back vowel (uː) as in English cool
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012