perseverate \per-SEV-uh-rayt\verb

The Word of the Day for November 2 is:

perseverate \per-SEV-uh-rayt\ verb
1 : to repeat or recur persistently
2 : to go back over previously covered ground

Example sentence:
To ensure the accuracy of his or her data, the scientist necessarily perseverates, repeating each experiment many times and comparing the results.

I am thinking I could probably come up with a better sentence...but it would be too painfully true.