sanmai
English
Noun
sanmai (countable and uncountable, plural sanmais)
- (uncountable) A construction method for Japanese-style blade steels, usually sandwiching a hardenable steel in a taco of flexible steel, that is forge-welded together, leaving a hardenable edge steel and flexible spine steel, for single-edged blades.
- (countable) A steel sandwich made by this method, before and after being welded.
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