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Definitions

iron

[ahy-ern] / ˈaɪ ərn /


NOUN
hard, ferrous metal
Synonyms




Example Sentences

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New research led by scientists at Penn State and published in Physical Review Letters suggests that some of the highest-energy cosmic rays may be atomic nuclei heavier than iron.

From Science Daily • Jun. 9, 2026

The technique tags the drugs with skeleton keys that open the barrier to everyday nutrients, like iron.

From Barron's • Jun. 3, 2026

Instead, the basic building blocks are just iron and nitrogen.

From The Wall Street Journal • Jun. 2, 2026

Researchers found that these cells, called macrophages, accumulate iron while breaking down old red blood cells.

From Science Daily • May 31, 2026

Sam went to the pantry and lifted the iron down very carefully from its place.

From "All About Sam" by Lois Lowry




Vocabulary lists containing iron


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