She had straggly, waist-length, dirty blonde hair, very pale eyebrows and protuberant eyes that gave her a permanently surprised look.
Screwing up her eyes each time with the same pained expression she had worn back in Harry’s bedroom, her nose swelled to a beak-like protuberance that resembled Snape’s, shrank to the size of a button mushroom and then sprouted a great deal of hair from each nostril.
Sucking on her cocktail onion, she gazed at Rita with her enormous, protuberant, slightly mad eyes.
They’re spirits of fire,’ said Luna, her protuberant eyes widening so that she looked madder than ever, ’great tall flaming creatures that gallop across the ground burning everything in front of —’ They don’t exist, Neville,’ said Hermione tartly.
’No,’ said Luna, observing him with those oddly misty, protuberant eyes.
There are no more uses of "protuberance" in the book.
Show samples from other sources
The child has a protuberant abdomen caused by malnutrition.
The pituitary gland is a pea-sized protuberance located at the base of the brain.