dilatation
oxford
views updated May 29 2018dil·a·ta·tion / ˌdiləˈtāshən; ˌdī-/ •
n. chiefly Med. Physiol. the process of becoming dilated. ∎ the action of dilating a vessel or opening. ∎ a dilated part of a hollow organ or vessel.
The Oxford Pocket Dictionary of Current English
dilatation
oxford
views updated May 08 2018dilatation (dilation) The process in which an applied stress leads to a state of strain involving a change in volume. The change in volume is given by: Δv = (Vf−Vo)/Vo, where Vo is the initial volume and Vf the final volume.
A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY
dilatation
oxford
views updated Jun 27 2018dilatation (dy-lă-tay-shŏn) n. the enlargement or expansion of a hollow organ (such as a blood vessel) or cavity.
A Dictionary of Nursing