WordReference Random House Unabridged Dictionary of American English © 2025
compen′satory length′ening, [Historical Ling.]
- Linguisticsthe lengthening of a vowel when a following consonant is weakened or lost, as the change from Old English niht (nikht) to night (nīt), with loss of (kh) and lengthening of (i) to a vowel that eventually became (ī).
'compensatory lengthening' also found in these entries (note: many are not synonyms or translations):