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wafer
noun
- a thin, flat, crisp cracker or cookie
- anything resembling this, as a thin, flat disk of candy
- a piece of Eucharistic bread, specif., a thin, flat, white, typically round and unleavened piece of such bread, made from wheat
- a small adhesive disk, as of paper, dried paste, gelatin, etc., used as a seal on letters, documents, etc.
- a thin piece of a semiconductor on which integrated circuits are formed, as to create chips
transitive verb
to seal, close, attach, or fasten with a wafer or wafers
See wafer in American Heritage Dictionary 4
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