As nouns the difference between lengthening and distention
is that lengthening is a type of sound change when a sound (especially a vowel) lengthens while distention is the act of distending.
As a verb lengthening
is present participle of lang=en.
lengthening
English
Noun
(
en noun)
(linguistics) a type of sound change when a sound (especially a vowel) lengthens
Verb
(head)
distention
English
Alternative forms
* distension
Noun
The act of distending.
Anagrams
*
*