Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To cut across or through.
  • intransitive verb To form an intersection with; cross.
  • intransitive verb To cut across or overlap each other.
  • intransitive verb To form an intersection; cross.

from The Century Dictionary.

  • To cut or divide into parts; lie or pass across: as, the ecliptic intersects the equator.
  • To cut apart; separate by intervening.
  • To cut into one another; meet and cross each other; have, as two geometrical loci, one or more points in common: as, intersecting lines.
  • noun In geometry, a point of intersection.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To cut into one another; to meet and cross each other.
  • transitive verb To cut into or between; to cut or cross mutually; to divide into parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb to cross; to cut
  • verb mathematics of two sets, to have at least one element in common

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb meet at a point

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin intersecāre, intersect- : inter-, inter- + secāre, to cut; see sek- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin intersecare ("to cut between, cut off"), from inter ("between") + secare ("to cut").

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Examples

  • They have a nice primer to help you figure out how all the various titles intersect, which is non-trivial to keep track of in the X-Universe. continuity.

    New: All Things O'Reilly Brett McLaughlin 2009

  • I think about where A & B intersect is where B takes an upward turn.

    Give & take. 2009

  • The point at which these two curves intersect is the equilibrium point, which is also known as “perfect competition” and is generally held up — by economists, anyway — as the goal for all markets.

    Microeconomics of the Consumer Web 2009

  • To most “normal” people the question of where the laws of the state and the laws of war intersect is a difficult one.

    The Volokh Conspiracy » Lawyers, Treason, and Deception: A Response to Andrew McCarthy 2010

  • However, as an illustrator, to not explore the territory where these two vectors intersect is short-changing the audience, the client, the author, the book, and myself.

    MIND MELD: The 'Responsibility' of Cover Art 2008

  • "Draw a line between Seattle and Boise, then draw another line between Portland and Missoula, and where those two lines intersect is where I went spent four years of my life."

    Mark Cohen biography 2004

  • I think the point where they intersect is a car crash. fun & comedy » Blog Archive » No idea what’s ahead.

    No idea what’s ahead. 2010

  • I've been trying to find a piece for Sirenia Digest located at the place where cannibalism and tooth pain intersect.

    "I'm praying for something that's worth drowning for..." greygirlbeast 2009

  • Rarely, however, do the two intersect, which is why the Sunshine State marveled on Monday at the fate of Jennifer

    NYT > Home Page By DAMIEN CAVE 2010

  • (Sometimes these two groups intersect, which is where the fun really begins.)

    Express Milwaukee 2008

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