The phrase “tertiary” is an adjective meaning “of third significance or rank”. It’s usually used to explain one thing that’s much less necessary than two different issues. For instance, you would possibly say that your “tertiary” purpose is to learn to play the guitar. Which means studying the guitar is much less necessary to you than two different objectives, resembling ending college and getting a job.
The phrase “tertiary” can be used to explain one thing that’s third in a sequence. For instance, you would possibly say that the “tertiary” stage of a mission is the testing part. Which means the testing part is the third stage of the mission, after the planning and improvement phases.
