infiltration

Definitions

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

  • noun The act or process of infiltrating.
  • noun The state of being infiltrated.
  • noun Something that infiltrates.

from The Century Dictionary.

  • noun In geology, the introduction of water into porous or open-textured rock. The term is specially employed in the discussion of ore-deposits to describe the introduction of new minerals in solution.
  • noun The act or process of infiltrating.
  • noun In pathology, a morbid condition of any portion of tissue produced by the accumulation in it of substances introduced from without: distinguished from degeneration, where the substance abnormally present is produced from the tissue itself through faulty metabolism.
  • noun That which infiltrates; a fluid, or matter carried by a fluid, which enters the pores or cavities of a body.

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

  • noun The act or process of infiltrating, as of water into a porous substance, of a fluid into the cells of an organ or part of the body, or of persons into a hostile organization.
  • noun The substance which has entered the pores or cavities of a body.
  • noun (Med.) See under Fatty.
  • noun a filter gallery.

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

  • noun The act or process of infiltrating, as of water into a porous substance, or of a fluid into the cells of an organ or part of the body.
  • noun The substance which has entered the pores or cavities of a body.
  • noun The act of entering a physical location and/or organization secretly.

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

  • noun the slow passage of a liquid through a filtering medium
  • noun a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection)

Etymologies

Sorry, no etymologies found.

Examples

  • This should reduce any cold-air infiltration from the basement and is more practical than attempting to insulate the entire basement ceiling, which usually contains a maze of ducts or pipes from a central heater, water-heater pipes, electrical wiring, and bridging to help strengthen the joists.

    Do it yourself

  • The external walls, floor and roof are insulated to a high standard and air infiltration is minimised.

    Edge House: Mobius Architects Creates an Oddity With Its Creativity

  • Secret Invasion Saga traces the origins of the Skrull infiltration from the Elektra replacement to the Skrull†™ s very first visit to Earth.

    Secret Invasion is Here! | Major Spoilers - Comic Book Reviews and News

  • These kinds of solutions may not work everywhere because infiltration is influenced by surficial geology, but it's an approach worth considering when cottages are built.

    Report Card Gives Low Marks to City Council Members « PubliCola

  • After all, infiltration is a tactic the Others have used before, (well, before to us, if you see what I mean).

    The Tail Section » Lost Spoiler - “Man Behind the Curtain”

  • The word infiltration in and of itself would suggest that someone is trying to get something or spying of some sort, is there not?

    CNN Transcript Oct 16, 2009

  • However, Peruvian Spanish (or Castellano as they called the language there) has infiltration from the native languages like Quechua, much like Mexican Spanish has from the native languages, especially Nahuatl.

    Tu preterite form

  • However, Peruvian Spanish (or Castellano as they called the language there) has infiltration from the native languages like Quechua, much like Mexican Spanish has from the native languages, especially Nahuatl.

    Tu preterite form

  • However, Peruvian Spanish (or Castellano as they called the language there) has infiltration from the native languages like Quechua, much like Mexican Spanish has from the native languages, especially Nahuatl.

    Tu preterite form

  • However, Peruvian Spanish (or Castellano as they called the language there) has infiltration from the native languages like Quechua, much like Mexican Spanish has from the native languages, especially Nahuatl.

    Tu preterite form

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