Mackie line

Mack·​ie line | \ ˈmakē-\

Definition of Mackie line

: a light outline at the edge of dense or dark parts of a photographic image caused by a retardation of development in the edge area — compare adjacency effect

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Mackie line

after Alexander Mackie, 19th century scientist

Keep scrolling for more

Learn More about Mackie line

Share Mackie line

Statistics for Mackie line

Look-up Popularity

Comments on Mackie line

What made you want to look up Mackie line? Please tell us where you read or heard it (including the quote, if possible).


a servile follower or underling

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!