upon

üzerinde, üzerine, -ince

indicating that something is on or attached to something else, or that something happens after a particular event

Upon opening the book, she found a handwritten note.

• The teacher will discuss the topic upon the start of the lecture.
• He promised to call you upon finishing his work.
• Upon reviewing the data, the researchers identified several anomalies.
• The policy will be revised upon the recommendation of the advisory committee.

• upon arrival · varışta Upon arrival, please sign the register.
• upon request · istek üzerine The document will be sent upon request.
• upon completion · tamamlandığında The system will shut down upon completion of the process.
• upon doing sth Upon entering the room, he turned off the lights.

sb: birisi · sth: bir şey