"His pupils were dilated"
cause to expand as it by internal pressure;
"The gas distended the animal's body"
swell from or as if from internal pressure;
"The distended bellies of the starving cows"
- Swollen or distended beyond normal size by fluid or gaseous material.
- Having eyes with greatly distended pupils.
On engines they distend their tortur'd joints.出自： Dryden