cast-iron

Noun

cast-iron noun

1. A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.“Cast iron is popular for cookware where an even heating temperature is important.”

Verb

No verb senses have been added yet.

Adjective

cast-iron adjective

1. Made of cast iron.“I use a cast-iron skillet for frying pancakes.”
2. Durable; tough; resiliant.“Ernest has a cast-iron constitution and never gets sick.”
3. Inflexible or without exception.“The school's cast-iron policy on admissions fees left no leeway for needy students.”