1

iron

play
noun \ˈī(-ə)rn\

Definition of iron

  1. 1 :  a silver-white malleable ductile magnetic heavy metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes — see element table

  2. 2 :  something made of iron: as a plural :  shackles for the hands or legs b :  a heated metal implement used for branding or cauterizing c :  a household device usually with a flat metal base that is heated to smooth, finish, or press (as cloth) d :  stirrup —usually used in plural e :  any of a series of numbered golf clubs having relatively thin metal heads — compare wood

  3. 3 :  great strength, hardness, or determination

iron in the fire

  1. 1 :  a matter requiring close attention

  2. 2 :  a prospective course of action

Origin and Etymology of iron

Middle English, from Old English īsern, īren; akin to Old High German īsarn iron


First Known Use: before 12th century

Other Metals and Metallurgy Terms


2

iron

adjective

Definition of iron

  1. 1 :  of, relating to, or made of iron

  2. 2 :  resembling iron

  3. 3 a :  strong and healthy :  robust <an iron constitution> b :  inflexible, unrelenting <iron determination> c :  holding or binding fast <an iron grip>

ironness

play \ˈī(-ə)rn-nəs\ noun

Examples of iron in a sentence

  1. <he had an iron determination to succeed in on Wall Street>

Before 12th Century

First Known Use of iron

before 12th century


3

iron

verb

Definition of iron

  1. transitive verb
  2. 1 :  to furnish or cover with iron

  3. 2 :  to shackle with irons

  4. 3 a :  to smooth with or as if with a heated iron <iron a shirt> b :  to remove (as wrinkles) by ironing

  5. intransitive verb
  6. :  to smooth or press cloth or clothing with a heated iron

15th Century

First Known Use of iron

15th century



IRON Defined for English Language Learners

1

iron

play
noun \ˈī(-ə)rn\

Definition of iron for English Language Learners

  • : a heavy type of metal that is very common, occurs naturally in blood, and is used to make steel and in many products

  • : a device with a flat metal base that is heated and is used to press wrinkles out of clothing

  • : a golf club that has a metal head and is identified by a number


2

iron

adjective

Definition of iron for English Language Learners

  • : made of iron

  • : very strong


3

iron

verb

Definition of iron for English Language Learners

  • : to use a heated iron to make clothing or fabric smooth


IRON Defined for Kids

1

iron

play
noun \ˈī-ərn\

Definition of iron for Students

  1. 1 :  a heavy silvery white metallic chemical element that rusts easily, is strongly attracted by magnets, occurs in meteorites and combined in minerals, and is necessary for transporting oxygen in the blood

  2. 2 :  a device that is heated and used for making cloth smooth

  3. 3 :  a device that is heated to perform a task <a soldering iron>

  4. 4 irons plural :  handcuffs or chains used to bind or to hinder movement


2

iron

play
adjective

Definition of iron for Students

  1. 1 :  made of iron

  2. 2 :  strong and healthy <He has an iron constitution.>

  3. 3 :  not giving in <an iron will>


3

iron

play
verb

Definition of iron for Students

ironed

ironing

  1. :  to press with a heated iron


Medical Dictionary

iron

play
noun \ˈī(-ə)rn\

Medical Definition of iron

  1. 1:  a heavy malleable ductile magnetic silver-white metallic element that readily rusts in moist air, occurs native in meteorites and combined in most igneous rocks, is the most used of metals, and is vital to biological processes (as in transport of oxygen in the body)—symbol Fe; see element table

  2. 2:  iron chemically combined <iron in the blood>

iron

adjective


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