Educ.
a teaching device into which a page of reading material is inserted and advanced one line at a time, gradually increasing the speed to accelerate and improve one's rate of reading comprehension.
Educ.
a teaching device into which a page of reading material is inserted and advanced one line at a time, gradually increasing the speed to accelerate and improve one's rate of reading comprehension.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012