descent
/dɪˈsɛnt/
An instance of descending; act of coming down.
We climbed the mountain with difficulty, but the descent was easier.
A way down.
We had difficulty in finding the correct descent.
A sloping passage or incline.
The descent into the cavern was wet and slippery.
Lineage or hereditary derivation.
Our guide was of Welsh descent.
A drop to a lower status or condition; decline.
After that, the holiday went into a steep descent.
A falling upon or invasion.
A particular extension of the idea of gluing. See Descent (mathematics).
反義詞