diaeresis (noun)

1. During the Middle Ages, the diaeresis was commonly used in manuscripts to indicate the separate pronunciation of two adjacent vowels.

2. In the comic strip, the character's speech bubble had a diaeresis above the 'e' to indicate the pronunciation as a separate syllable.

3. The fashion designer incorporated the diaeresis symbol into the logo of their clothing brand to add a stylish and unique touch.

4. The interior designer used decorative tiles with diaeresis patterns to create an interesting visual element in the bathroom.