Merriam-Webster Logo
SINCE 1828
dictionary
thesaurus
view recents

Mackie line

noun
Save Word
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

Statistics for Mackie line

Cite this Entry

“Mackie line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Mackie%20line. Accessed 18 Jan. 2021.

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).

Show Comments  Hide Comments 

WORD OF THE DAY

preeminent

Listen to the pronunciation of preeminent

See Definitions and Examples »

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

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

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games