noun
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the act of marking with lines
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an arrangement of or division into lines
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an outline or contour
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any linear arrangement involving rocks or minerals, such as a parallel arrangement of elongated mineral grains
Etymology
Origin of lineation
1350–1400; Middle English lyneacion < Late Latin līneātiōn- (stem of līneātiō ) the drawing of a line, Latin: direction, line. See lineate, -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When minerals lie on a plane AND point in a common direction; this is both foliation and lineation.
From Textbooks • Jan. 1, 2017
Linear crystals, such as hornblende, tourmaline, or stretched quartz grains, can be arranged as part of a foliation, a lineation, or foliation/lineation together.
From Textbooks • Jan. 1, 2017
Crooked and jagged, the lineation is a lifetime on display — the joy, sadness, euphoria and thrill of every breath.
From Washington Times • Jun. 1, 2014
Some of the material swings close to the prosaic, yet Motion's deft lineation and deletions work double-time to preserve the true sense of natural speech.
From The Guardian • Dec. 14, 2012
Bewick, the English draughtsman, struck with the delicate qualities of the lineation, made engravings of the impression of two of his finger-tips and used them as signatures for his work.
From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
