This is the 17273rd most frequent Korean word.
석사과정을
"Master's degree program."
In this sentence, '석사과정을' refers to the master's degree program that the speaker has completed.
저는 석사과정을 졸업했습니다.
I graduated from the master's program.
Here, '석사과정을' refers to the master's program for which the speaker is preparing.
석사과정을 준비하기 위해 연구 주제를 정했습니다.
I chose a research topic to prepare for the master's program.
In this usage, '석사과정을' describes the master's program as the medium through which the speaker gained expertise.