What does trema mean?
A trema is a diacritic mark (¨) used to indicate that two adjacent vowels are pronounced separately, as in 'coöperate' or 'naïve'. This mark helps to avoid confusion with words that have a different pronunciation, such as 'cooperate'. The term 'trema' is often used interchangeably with 'diaeresis', although 'trema' technically refers to the mark itself, while 'diaeresis' can also refer to the condition of having such a mark. The use of a trema is important in certain languages, such as French and English, where it can significantly affect the pronunciation and meaning of words. In addition to its use as a diacritic mark, 'trema' can also refer to a condition characterized by tremors or shaking.
nounA diacritic mark (¨) placed over a vowel to indicate that it is pronounced separately, as in the word 'coöperate'.
- A mark used to indicate separate pronunciation of adjacent vowels.
- A condition characterized by tremors or shaking.
"The word 'naïve' uses a trema to show that the two vowels are pronounced separately."
"The use of a trema in 'coöperate' helps to avoid confusion with 'cooperate'."
"The patient's trema made it difficult for her to hold a cup of coffee."
The plural form 'tremas' is used when referring to multiple instances of the diacritic mark.
"The French language uses tremas in several words, such as 'coöperatif' and 'extraordinaire'."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of trema
The word 'trema' comes from the Greek word 'τρῆμα' (trēma), meaning 'hole' or 'perforation'. This refers to the fact that the diacritic mark (¨) resembles two dots or holes. The term has been used in linguistics since the 18th century to describe the diacritic mark used to indicate separate pronunciation of adjacent vowels.
Usage notes
The term 'trema' is often used interchangeably with 'diaeresis', although technically 'trema' refers specifically to the mark used to indicate separate pronunciation, while 'diaeresis' can also refer to the condition of having such a mark.