descending

US /dɪˈsen.dɪŋ/
UK /dɪˈsen.dɪŋ/
"descending" picture
1.

moving or sloping downwards

:
The plane began its descending flight.
We walked along a descending path.
2.

becoming lower in pitch or volume

:
Her voice took on a descending tone.
The music had a beautiful descending melody.