Definition of velarization in English:
 velarization
(British velarisation)
noun ˌviːlərʌɪˈzeɪʃ(ə)nˌvēlərəˈzāSHən
mass nounPhonetics A secondary articulation involving movement of the back of the tongue towards the velum.
〔语音〕软腭化
Example sentencesExamples
-  In Russian velarized stops contrast with palatalized ones, and velarization is also contrastive in Irish.
 -  Common secondary articulations are labialisation, palatalisation, velarisation and pharyngealisation.
 -  The velarization is only explained structurally, and neither physiological nor historico-social explanation is possible.
 -  These are consonants that are pronounced with the root of the tongue retracted, with varying degrees of pharyngealization and velarisation.
 -  Strong velarisation of certain consonant groups, especially of the cluster ‘cl’, which is typical of most Irish dialects, has only been noted sporadically.
 
Derivatives
verbˈviːlərʌɪzˈviləˌraɪz
[with object]Phonetics Pronounce (a speech sound) with the back of the tongue near the soft palate.
Example sentencesExamples
-  a velarized consonant
 - Also, the announcer in the promo is the first person I've ever heard who doesn't velarise the first ‘n’ in ‘penguin.’
 - Non-palatal consonants are generally velarised, that is the tongue is not just in neutral position, but lowered to produce a more open oral cavity.
 - Phonetically speaking, slender consonants are generally palatalised, and broad consonants are velarised.