iron

noun
\ ˈī(-ə)rn How to pronounce iron (audio) \

Definition of iron

 (Entry 1 of 3)

1 : a silver-white malleable ductile magnetic heavy metallic element that readily rusts in moist air, occurs in pure form in meteorites and combined in most igneous rocks, is the most abundant element on Earth by mass, and is vital to biological processes — see Chemical Elements Table
2 : something made of iron: such as
a : a household device usually with a flat metal base that is heated to smooth, finish, or press (such as cloth)
b : any of a series of numbered golf clubs having relatively thin metal heads — compare wood
c irons plural : shackles for the hands or legs
d : a heated metal implement used for branding or cauterizing
e : stirrup usually used in plural
3 : great strength, hardness, or determination
iron in the fire
1 : a matter requiring close attention
2 : a prospective course of action

Definition of iron (Entry 2 of 3)

1 : of, relating to, or made of iron
2 : resembling iron
3a : strong and healthy : robust an iron constitution
b : inflexible, unrelenting iron determination
c : holding or binding fast an iron grip

iron

verb
ironed; ironing; irons

Definition of iron (Entry 3 of 3)

transitive verb

1a : to smooth with or as if with a heated iron iron a shirt
b : to remove (something, such as wrinkles) by ironing
2 : to shackle with irons
3 : to furnish or cover with iron

intransitive verb

: to smooth or press cloth or clothing with a heated iron

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Other Words from iron

Adjective

ironness \ ˈī(-​ə)rn-​nəs How to pronounce ironness (audio) \ noun

Synonyms & Antonyms for iron

Synonyms: Adjective

Antonyms: Adjective

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Examples of iron in a Sentence

Adjective he had an iron determination to succeed in on Wall Street
Recent Examples on the Web: Noun Simandou’s ores contain 65% to 66% iron, above the industry’s benchmark 62% iron content products, according to Rio filings. Bloomberg.com, "China to Approve Developing Guinea’s Giant Simandou Iron Ore Mine," 10 May 2020 In terms of nutrition, eggs pack a punch and are a source of protein, iron, vitamins and minerals. Lauren Salkeld, NBC News, "7 simple, satisfying egg recipes for breakfast, lunch or dinner," 16 Apr. 2020 Waffles are my nemesis, right down to the irons, which were definitely invented by someone who doesn’t wash dishes. Deb Perelman, Bon Appétit, "I Swore I’d Never Make Waffles Again, Yet Here I Am Making Waffles," 15 Apr. 2020 Non-instant oatmeal is another inexpensive option that's packed with iron, calcium, fiber and B-vitamins. Kristen Rogers, CNN, "How to eat healthy even when money is tight and you have a family to feed," 14 Apr. 2020 Vitamin C, vitamin D, calcium, iron and electrolytes all play vital roles in avoiding injury, sports performance as well as general health. Usa Today Sports, USA TODAY, "Working Out From Home: Safety tips from athletic trainers for exercising while staying home," 30 Mar. 2020 There’s little conclusive evidence that nutritional supplements like vitamins, iron, or zinc substantially improve immune function. Katarina Zimmer, Outside Online, "Supporting Your Immune System Is Simple," 27 Mar. 2020 The Limits team created a computer model of the world, then used it to project future demand for resources such as coal, iron, natural gas, and aluminum. National Geographic, "THE BEST OF NATIONAL GEOGRAPHIC DELIVERED TO YOUR INBOX," 25 Mar. 2020 The bull case for iron and steel is simple: The Chinese housing market will rebound in April as pent-up demand is released and additional stimulus will... Nathaniel Taplin, WSJ, "With Oil, Copper and Palladium Sinking, Can Steel Stay Afloat?," 23 Mar. 2020 Recent Examples on the Web: Adjective In ancient seas, iron aplenty To learn how iron fertilization might work in the future, some researchers are looking at the past, in paleoclimate records such as ice cores and deep-sea sediments. Emily Underwood, Smithsonian Magazine, "The Complicated Role of Iron in Ocean Health and Climate Change," 6 Jan. 2020 Recent Examples on the Web: Verb The inner layer is made of thin cotton and has a stabilizer ironed on. John Delapp, Houston Chronicle, "Quilting group’s face masks go to firefighters, hospitals," 13 Apr. 2020 The preliminary settlement resolves claims that the company used a timekeeping system that cheated workers out of overtime, barred them from taking rest breaks during their shifts, and forced them to clean and iron their uniforms out of pocket. Washington Post, "McDonald’s to pay $26 million to settle worker underpayment claims in California," 25 Nov. 2019 The white cloth, once freshly ironed, bears the trace of a concertina of folds. The Economist, "The first “Last Supper” painted by a woman goes on public display," 23 Oct. 2019 Early Pochettino Spurs teams had such a robust framework and philosophy ironed into them from end to end. SI.com, "Tottenham Hotspur: Why Spurs Must Lean on Domestic Cups to Learn to Dream Again," 22 Sep. 2019 Once ironed, fold fabric in half with interfacing on the outside 4. USA Today, "How to make your own face mask to help stop the spread of the coronavirus," 4 Apr. 2020 An economic lull in China reverberates in the many countries — from copper-producing Chile to iron ore-producing Australia — that feed Chinese factories with raw materials. Washington Post, "China’s 2019 economic growth weakens amid trade war," 17 Jan. 2020 His stepfather kicked him, beat him with ironing cords on all fours and forced him to stand in a closet. New York Times, "Running to Put San Quentin Behind Him," 8 Aug. 2019 In this key moment, Emma’s humanity bleeds through her perfectly coiffed, ironed and embroidered facade. The Conversation, "Perfection comes at a price in latest adaptation of Austen’s ‘Emma’," 27 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of iron

Noun

before the 12th century, in the meaning defined at sense 1

Adjective

before the 12th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 3

History and Etymology for iron

Noun

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

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Time Traveler for iron

Time Traveler

The first known use of iron was before the 12th century

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Statistics for iron

Last Updated

16 May 2020

Cite this Entry

“Iron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iron. Accessed 29 May. 2020.

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More Definitions for iron

iron

noun
How to pronounce iron (audio)

English Language Learners Definition of iron

 (Entry 1 of 3)

: 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

English Language Learners Definition of iron (Entry 2 of 3)

: made of iron
: very strong

iron

verb

English Language Learners Definition of iron (Entry 3 of 3)

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

iron

noun
\ ˈī-ərn How to pronounce iron (audio) \

Kids Definition of iron

 (Entry 1 of 3)

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 : a device that is heated and used for making cloth smooth
3 : a device that is heated to perform a task a soldering iron
4 irons plural : handcuffs or chains used to bind or to hinder movement

Kids Definition of iron (Entry 2 of 3)

1 : made of iron
2 : strong and healthy He has an iron constitution.
3 : not giving in an iron will

iron

verb
ironed; ironing

Kids Definition of iron (Entry 3 of 3)

: to press with a heated iron

iron

noun
\ ˈī(-ə)rn How to pronounce iron (audio) \

Medical Definition of iron

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 Chemical Elements Table
2 : iron chemically combined iron in the blood

Other Words from iron

iron adjective

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More from Merriam-Webster on iron

Thesaurus: All synonyms and antonyms for iron

Spanish Central: Translation of iron

Nglish: Translation of iron for Spanish Speakers

Britannica English: Translation of iron for Arabic Speakers

Britannica.com: Encyclopedia article about iron

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