Here is the requested information on "trema":
1. **Parts of Speech**: Noun
2. **Definition**: A diacritical mark (¨) placed over a vowel to indicate that it is pronounced separately from the preceding vowel.
3. **Pronunciations**: US: /ˈtrɛmə/, UK: /ˈtriːmə/
4. **Origin and Usage**: The word "trema" comes from the Greek word "trema" meaning "hole" or "perforation." In English, it is used primarily in the context of linguistics and is used to indicate that a vowel should be pronounced separately from the preceding vowel. It is commonly used in words borrowed from French, such as "naïve" or "coöperate."
5. **Synonyms**: diaeresis
6. **Related Words**: None
7. **Example Sentences**:
- The word "naïve" is spelled with a trema over the "i".
- In French, the word "Noël" is spelled with a trema over the "e".
- The trema in the word "coöperate" indicates that the second "o" should be pronounced separately from the first.