dilations

1.【医】扩张(症)

2.膨胀,扩大

1.the act or process of widening or being widened, enlarging or being enlarged, or stretching or being stretched

2.a condition in which something is widened, enlarged, or stretched

3.something, especially a part of something else, that has become widened, enlarged, or stretched

4.the stretching or enlargement of a hollow organ or body cavity