repetitors

Noun

repetitor (plural repetitors)

1. A private instructor in a repetitorium.
   • There is probably not a class throughout the Russian Empire, there is certainly not a gymnasium or a real-school, in which a certain proportion of the pupils do not avail themselves of the services of a repetitor ; and in the case of the lower classes of some schools every second or third pupil...1909, Great Britain Board of Education, Special Reports on Educational Subjects - Volume 23, page 368
2. Someone or something that repeats something.
   • For the repetitor, its self-similarity ratio r is 1/3, identifying the subdivision of the original line into three pieces.1992, Robert Laurini, Derek Thompson, Fundamentals of Spatial Information Systems, →ISBN, page 154