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n. 1. A small, thin, crisp cake, biscuit, or candy. 2. Ecclesiastical A small thin disk of unleavened bread used in the Eucharist. 3. Pharmacology A flat, tablet of rice paper or dried flour paste encasing a powdered drug. 4. A small disk of adhesive material used as a seal for papers. 5. Electronics A small, thin circular slice of a semiconducting material, such as pure silicon, on which an integrated circuit can be formed. tr.v. wa·fered, wa·fer·ing, wa·fers 1. To seal or fasten together with a disk of adhesive material. 2. Pharmacology To prepare in the form of wafers. 3. Electronics To divide into wafers. [Middle English wafre, from Anglo-Norman, variant of Old North French waufre, of Germanic origin; see webh- in the Appendix of Indo-European roots.] |
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