- a unit of measurement equal to a one-column agate line (of an advertisement) in one million copies of a publication
- the cost per milline of an advertisement
Origin: mil(lion) plush line
Used by arrangement with John Wiley & Sons, Inc.
- A unit of advertising copy equal to one agate line one column wide printed in one million copies of a publication.
- The cost of a unit of advertising copy.
Origin: mil(lion) + line1.