silundum
A hard form of silicon carbide with high electrical resistanceA hard form of silicon carbide with high electrical resistance.
Meaning
1 senses(uncountable)A hard form of silicon carbide with high electrical resistance.
Origin
Blend of silicon + corundum. Originally a trade name, in imitation of carborundum.Blend of silicon + corundum. Originally a trade name, in imitation of carborundum.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable