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Very hard and brittle
Answer for the clue "Very hard and brittle ", 9 letters:
cementite
Alternative clues for the word cementite
Word definitions for cementite in dictionaries
Wikipedia
Word definitions in Wikipedia
Cementite , also known as iron carbide , is an intermetallic compound of iron and carbon , more precisely an intermediate transition metal carbide with the formula FeC. By weight, it is 6.67% carbon and 93.3% iron. It has an orthorhombic crystal structure. ...
Wiktionary
Word definitions in Wiktionary
n. (context inorganic compound English) A form of iron carbide, Fe 3 C, that is a component of steel
WordNet
Word definitions in WordNet
n. the iron carbide constituent of steel and cast iron; very hard and brittle [syn: iron carbide ]