noun Date: 15th century the act or action of dilating ; the state of being dilated ; expansion , dilatation , the action of stretching or enlarging an organ or part of the body
DILATION
Meaning of DILATION in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012