What context can I use each word in?
Learn when and how to use these words with these examples!
semester
Example
I have three classes this semester. [semester: noun]
Example
The fall semester starts in September and ends in December. [semester: noun]
Example
I need to complete my project by the end of the semester. [semester: noun]
trimester
Example
The school year is divided into three trimesters. [trimester: noun]
Example
I have an exam next week for my second trimester courses. [trimester: adjective]
Example
The trimester system allows students to take more courses in a shorter period of time. [trimester: noun]
Good things to know
Which word is more common?
Semester is more commonly used than trimester in the United States, while trimester is more common in Europe and other parts of the world.
Whatโs the difference in the tone of formality between semester and trimester?
Both semester and trimester are formal terms used in academic settings, but semester is more versatile and can be used in both formal and informal contexts.