1. plural of tilde; diacritical marks (~) placed over certain letters in some languages
Usage: typography; linguistics

Examples

• Spanish words like ‘niño’ and ‘mañana’ contain tildes over the letter n.
• The tildes in Portuguese indicate nasal vowel sounds.
• When typing in Spanish, you need to know how to add tildes to your letters.
• The word ‘São Paulo’ has a tilde over the a in Portuguese.
• Many keyboards have special keys for typing tildes and other accent marks.
• Students learning Spanish often forget to include tildes in their writing.