What does cast-iron mean?

cast-iron meaning in General Dictionary

acutely robust

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  • Made of cast-iron. For this reason, Fig.: like cast iron; robust; unyielding.

Sentence Examples with the word cast-iron

C is compensated by permanent magnets athwartships and horizontal; D by masses of soft iron on both sides of the compass, and generally in the form of cast-iron spheres, with their centres in the same horizontal plane as the needles; E is usually too small to require correction; A is fortunately rarely of any value, as it cannot be corrected.

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