[ dis-kon-tn-oo-i-tee, -yoo- ]
/ 藢d瑟s k蓲n tn藞u 瑟 ti, -藞yu- /
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noun, plural dis路con路ti路nu路i路ties.
lack of continuity; irregularity: The plot of the book was marred by discontinuity.
a break or gap: The surface of the moon is characterized by major discontinuities.
Mathematics. a point at which a function is not continuous.
Geology. a zone deep within the earth where the velocity of earthquake waves changes radically.
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Origin of discontinuity

From the Medieval Latin word discontinuit膩s, dating back to 1560鈥70. See discontinuous, -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use discontinuity in a sentence

British Dictionary definitions for discontinuity

/ (d瑟s藢k蓲nt瑟藞nju藧瑟t瑟) /

noun plural -ties
lack of rational connection or cohesion
a break or interruption
  1. the property of being discontinuous
  2. the point or the value of the variable at which a curve or function becomes discontinuous
  1. a zone within the earth where a sudden change in physical properties, such as the velocity of earthquake waves, occurs. Such a zone marks the boundary between the different layers of the earth, as between the core and mantleSee also Mohorovi膷i膰 discontinuity
  2. a surface separating rocks that are not continuous with each other
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for discontinuity

[ d沫s-k艔n鈥瞭蓹-n艒艒沫-t膿 ]

A usually uneven surface between two layers of rock or sediment that represents either an interruption in the deposition of the layers, as in an unconformity, or a displacement of one or both layers relative to each other, as in a fault.
A surface within the Earth across which the velocities of seismic waves change. The discontinuities are located at the boundaries between the Earth's various layers and correspond to changes in the elastic properties of the Earth's materials.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.