1) Broadened 2) Dilated 
In medicine, dilatate means the same thing as dilate , namely to enlarge or expand. ... (12 Dec 1998) ... 
Dilatate: To enlarge or expand. For example, to dilatate the eye is to enlarge the pupil temporarily with special (mydriatic) eye drops. This procedure allows the eye care specialist to better view the inside of the eye. The word "dilate" means the same thing as "dilatate". Both come from the Latin "dilatare" meaning &...
dilated; broadened.