aphesis
noun[U]
phoneticsspecializeduk/ˈæf.ə.sɪs/us/ˈæf.ə.sɪs/thegraduallossof anunstressed(=weak)vowelsoundat thebeginningof a word, forexample"lone" from "alone":
To acertaindegree, aphesis may beobservedin anyinformalvarietyofEnglish.
Thesechangescould be theresultof aphesis, in which words areerodedoftheirinitialunstressedvowels.
- Word-initialvowelsseemtodisappearmore often thanconsonants, and wecallthisprocessaphesis.
 - He is doingresearchon aphesis in theEnglishsoundsystem.
 - Theeffectof aphesis can beseenin manycreolewords for "American", such as "meriken" in Haitian.
 - Aphesis is aphenomenonthat weassociatewithspokenlanguageand iscommonincreolesandpidgins.
 
Linguistics: phonology & phonetics
- alliterative
 - alveolar
 - apheresis
 - aphetic
 - approximant
 - aspirate
 - guttural
 - homonym
 - lax
 - lenis
 - macron
 - misemphasis
 - mispronunciation
 - phonology
 - schwa
 - semivowel
 - sibilance
 - sibilant
 - speech pathology
 - suprasegmental