| 
 | 
Definition of Downdrift
1. Noun. (phonetics) A lowering (over time) of the pitch of the tones of a tonal language ¹
¹ Source: wiktionary.com
| 
 | 
1. Noun. (phonetics) A lowering (over time) of the pitch of the tones of a tonal language ¹
¹ Source: wiktionary.com