lin·​e·​a·​tion ˌli-nē-ˈā-shən How to pronounce lineation (audio)
: the action of marking with lines : delineation
: an arrangement of lines

Examples of lineation in a Sentence

Recent Examples on the Web Earthquakes are continuing near El Golfo along a line across the island from the southern activity that follows the pre-existing rift lineation. Erik Klemetti, Discover Magazine, 3 Nov. 2011

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lineation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Middle English lineacion outline, from Latin lineation-, lineatio, from lineare to mark with lines, from linea

First Known Use

14th century, in the meaning defined at sense 1a

Time Traveler
The first known use of lineation was in the 14th century

Dictionary Entries Near lineation

Cite this Entry

“Lineation.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2023.

More from Merriam-Webster on lineation

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