cast-iron
[ kast-ahy-ern, kahst- ]
/ ˈkæstˈaɪ ərn, ˈkɑst- /
adjective
made of cast iron.
not subject to change or exception: a cast-iron rule.
hardy: a cast-iron stomach.
Origin of cast-iron
First recorded in 1655–65
Words nearby cast-iron
Definition for cast-iron (2 of 2)
cast iron
noun
an alloy of iron, carbon, and other elements, cast as a soft and strong, or as a hard and brittle, iron, depending on the mixture and methods of molding.
Example sentences from the Web for cast-iron
British Dictionary definitions for cast-iron
cast iron
noun
iron containing so much carbon (1.7 to 4.5 per cent) that it cannot be wrought and must be cast into shape
adjective cast-iron
made of cast iron
rigid, strong, or unyielding
a cast-iron decision