
(Ink Jet, Dot Matrix, and Thermal) The size of the printed dot laid down on a substrate in a matrix or line to form characters.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

(Scanner) The diameter of the beam of light used to scan a barcode symbol - ideally the beam width should be ~ 70% of the width of the narrow bar.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Relative size of halftone dots as compared to dots of the screen ruling being used. There is no unit of measurement to express dot size. Dots are too large, too small or correct only in comparison to what the viewer finds attractive.
Found on
https://www.encyclo.co.uk/local/20631
No exact match found.