(in mechanical scanning) a disk with a line of holes spiraling in from its edge, rotated in front of a surface so as to expose a small segment as each hole passes before it for transmitting or reproducing a picture.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Origin of scanning disk
First recorded in 1925–30
Words nearby scanning disk
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020