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Glossary of Military Terms
beginning with letter I
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ICBM Tweet Definition of ICBM Like Definition of ICBM on Facebook
initialism
  1. Intercontinental Ballistic Missile
IFF Tweet Definition of IFF Like Definition of IFF on Facebook
initialism
  1. Interchange File Format, a file format standard developed for Amiga computers.
  2. identification friend or foe
igloo Tweet Definition of igloo Like Definition of igloo on Facebook
noun (plural:igloos)
  1. An Inuit snow house
  2. (italbrac-colon, Zoology) A cavity, or excavation, made in the snow by a seal, over its breathing hole in the ice.
incendiary Tweet Definition of incendiary Like Definition of incendiary on Facebook
noun (incendiaries)
  1. Something capable of causing fire, particularly a weapon.
The military used incendiaries to destroy the building, fortunately the fire didn't spread.
adjective
  1. Capable of causing fire.
  2. Inflammatory, emotionally charged.
Politics is an topic; it tends to cause fights to break out.
induct Tweet Definition of induct Like Definition of induct on Facebook
verb
  1. to formally or ceremoniously install in an office, position, et cetera.
  2. to introduce into (particularly if certain knowledge or experience is required, such as ritual adulthood or cults).
  3. to draft into military service.
  4. to bring in as a member.
inductee Tweet Definition of inductee Like Definition of inductee on Facebook
noun
  1. A person who is inducted into an organization
  2. A person who is drafted or a volunteer that is activated into military service
infantry Tweet Definition of infantry Like Definition of infantry on Facebook
noun (infantr, ies)
  1. Soldiers who fight on foot (on land), as opposed to cavalry.
  2. (uncountable) The part of an army consisting of infantry soldiers. (Compare artillery, armor.)
infantryman Tweet Definition of infantryman Like Definition of infantryman on Facebook
noun (pl=infantrymen)
  1. a soldier employed in any infantry role; a foot soldier.
installation Tweet Definition of installation Like Definition of installation on Facebook
noun
  1. The act of installing or giving possession of an office, rank, or order, with the usual rites or ceremonies; as, the installation of an ordained minister in a parish.
  2. The whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.
  3. A grouping of facilities that constitute a permanent military base
invalid Tweet Definition of invalid Like Definition of invalid on Facebook
noun
  1. One who is confined to home or bed due to illness, disability or injury
  2. Any person with disability, e.g. w:en:invalid carriage , invalid carriage
adjective
  1. not valid; not true, correct, acceptable or appropriate
invest Tweet Definition of invest Like Definition of invest on Facebook
noun
  1. An unnamed tropical weather pattern "to investigate" for development into a significant (named) system. A temporary designation by the U.S. http://www.nrlmry.navy.mil/tc_pages/ Naval Research Lab Joint Typhoon Warning Center and http://www.nhc.noaa.gov/ National Hurricane Center. Internal jargon (possibly teletype abbreviation) in the 1980's. Appears today on some tracking maps, e.g. tropical storm advisories at the http://www.wunderground.com/tropical/ wunderground.com tropical weather page. Designation, e.g. <code>91e</code>, is a cyclic number (90-99) and a letter suffix for oceanic region:
    • <code>a</code> - Arabian Sea
    • <code>b</code> - Bay of Bengal
    • <code>c</code> - North Central Pacific Ocean
    • <code>e</code> - Northeast Pacific Ocean
    • <code>l</code> - North Atlantic Ocean and Caribbean Sea
    • <code>p</code> - South Pacific Ocean
    • <code>s</code> - South Indian Ocean
    • <code>w</code> - Northwest Pacific Ocean
verb
  1. (dated) To clothe or wrap (with garments).
  2. To envelop, wrap, cover.
    • 1667: Night / Invests the Sea, and wished Morn delayes " John Milton, Paradise Lost, Book 1, ll. 207-8
      1. To commit money or capital in the hope of financial gain.
      2. To spend money, time, or energy into something, especially for some benefit or purpose.
      The contributors to the Wikipedia and Wiktionary projects have invested countless hours into this resource..
      1. To ceremonially install someone in some office.
      2. To formally give someone some power or authority.
      3. To lay siege to.
      4. (intransitive): To make investments.
irregular Tweet Definition of irregular Like Definition of irregular on Facebook
adjective
  1. something nonstandard; something that breaks the series

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