Iron (metaphor)
Iron, when used metaphorically, refers to certain traits of the metal iron. Used as an adjective and sometimes as a noun, it refers to something stern, harsh, unyielding, inflexible, rigid, sturdy, strong, robust. It is sometimes used for something technological (iron lung) or not technologically advanced (iron bomb).
Read more about Iron (metaphor): List of Iron Metaphors, Iron Gallery
Famous quotes containing the word iron:
“There is nothing but is related to us, nothing that does not interest us,—kingdom, college, tree, horse, or iron show,—the roots of all things are in man.”
—Ralph Waldo Emerson (1803–1882)