"To dilate the pupils" means to make the black part of your eyes bigger.
Sentences with «to dilate the pupils»
Other signs to look for include dilated pupils, twitching skin, pushing your hand away with a paw, getting the claws out or trying to scratch you, or looking at your hand and fixating on it. (feedspot.com)
Then I watched four episodes of the fourth season of Rake and gazed with dilated pupils at that sexy Richard Roxburgh creature. (housegoeshome.com)
Through complex programming and smooth motion - control systems, each dinosaur was given a range of realistic behaviours such as dilating pupils, coordinated muscles, and tongue movement. (sciencemag.org)