dilation

中文： 扩张、膨胀

1. The act of dilating. (countable, uncountable)
2. State of being dilated; expansion; dilatation. (countable, uncountable)
3. In morphology, a basic operation (denoted ⊕) that usually uses a structuring element for probing and expanding the shapes contained in the input image. (countable, uncountable)

复数 dilations