Definition of wafer in English:



  • 1A thin, light, crisp biscuit, especially one of a kind eaten with ice cream.

    • ‘I do have a sweet tooth, particularly for Italian chocolate wafers and mini Cornettos.’
    • ‘The combination of real milk chocolate, crisp wafer and soft chewy caramel is almost too intense.’
    • ‘Serve in small glass bowls with sweet biscuity wafers.’
    • ‘Dessert is a few small sugar wafers in yet another cellophane package.’
    • ‘crisp, lacy baked items which stand on the frontier between biscuits, wafers, and sugar confectionery’
    • ‘For an extra treat, fill each cone with candies, then seal the open end with a vanilla wafer attached with decorator icing.’
    • ‘Mercifully, there were no pink wafer biscuits.’
    • ‘The pink wafer biscuit is a lightweight in the World of the Biscuit.’
    • ‘Family gather to share the oplatek, a thin white wafer sometimes called angel bread, followed by an odd number of meatless dishes.’
    • ‘To make the crust, combine wafer crumbs with butter and press into a 9-inch springform pan.’
    • ‘Stroopwafel, sometimes called caramel wafer or syrup cookie, is a sandwich of two extra-thin, hard and crisp wafers filled with caramel-y syrup.’
    • ‘Some posh wafers might be good here, or some homemade shortbread, baked really thin and crisp.’
    • ‘Remove the ice cream from the mould and serve with wafer biscuits or ice cream topping.’
    • ‘Each wafer, a beautiful raspberry color, dissolved in the mouth and filled it with an intense taste of raspberries.’
    • ‘Bammy is a toasted bread-like wafer made from cassava.’
    • ‘He recommended the banana cake and the icebox cake: layers of chocolate wafers and whipped cream pressed together and refrigerated.’
    • ‘Kurdish specialties include a type of wafer bread eaten for breakfast, and any kind of grain cooked in whey.’
    • ‘Crush wafers until very fine and cover the entire cake.’
    • ‘The multitude of available food products makes the age-old snack of graham crackers and vanilla wafers obsolete.’
    • ‘Soon cakes and wafers were being passed around to the ‘uninvited guests’.’
  • 2A thin piece of something.

    ‘wafers of smoked salmon’
    • ‘This wafer functions as an artificial retina; light hitting the wafer causes it to generate electrical stimuli that are applied to the optic nerve and restore some degree of vision.’
    • ‘Angle the blade against the stone then push the blade lightly along as if you were trying to slice off a paper-thin wafer of stone.’
    • ‘On a recent visit to Bid, I began my meal with two nodules of creamy foie gras, folded in green cabbage with razor-thin wafers of black truffle.’
    • ‘The samples of solar wind particles, collected on ultra-pure wafers of gold, sapphire, silicon and diamond were designed to be returned for analysis by Earth-bound scientists.’
    • ‘Then we noticed that the clump of algae was actually a wondrous crab, no bigger than a thumbnail, whose body shape had evolved to mimic the green wafers of algae.’
    • ‘Skin Bond Cement was applied to the skin grafted area of the abdomen and the backs of the wafer pieces.’
    • ‘Lia gently lifted up one of the half-collapsed shelves, careful not to get her hand caught between the two splintered wafers of wood.’
    • ‘NASA officials say that the sapphire, silicon and diamond wafers that were used to collect the samples may have been shattered in the crash.’
    • ‘Harry relished every last drop, going so far as to lick up the wafers of sliced macaroni and eating them with every sign of enjoyment.’
    • ‘Those who enjoy Chinese style roast duckling with finely sliced wafers of ginger were catered for, as were those who wanted some Thai style noodle soup, and some regional curries.’
    • ‘One noon might produce smoky wafers of zucchini melted in the wood oven, then juxtaposed with halved green grapes and wisps of gentle Montasio cheese.’
    • ‘DNA chips are elegantly simple in concept: thin wafers of glass or plastic embedded with strips of DNA.’
    bit, section, slice, chunk, segment, lump, hunk
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    1. 2.1 A thin disc of unleavened bread used in the Eucharist.
      • ‘Each element of the furniture is exemplary, and some items such as the casket for communion wafers (a gold box in the side chapel) are quite exquisite.’
      • ‘He broke the white wafer into small pieces and placed one in his mouth, whispering the rites of Communion.’
      • ‘Faith, holding her chalice and Eucharistic wafer, stands to the right of Charity, while Hope, with her back turned to the viewer, looks to Charity from her left.’
      • ‘In Spain, the dance is done to reverence the Blessed Sacrament, a consecrated wafer used in Communion.’
      • ‘Mary was at the front, and she opened her mouth for the Priest to place the small wafer of bread on her tongue, the body.’
      • ‘Meantime, EBay has moved to stop the auction of a Eucharist wafer said to have been blessed by Pope John Paul II.’
      • ‘Is it all right to chew the wafer or bread in communion or should I simply let it dissolve in my mouth as I was taught?’
      • ‘The Irish croissant tastes like bad communion wafers.’
      • ‘Church doctrine holds that Communion wafers, like the bread served at the Last Supper, must have at least some unleavened wheat.’
      • ‘I remembered how, as the wafer dissolved in my mouth, I had felt myself ‘officially’ a member of the Church.’
    2. 2.2Electronics A very thin slice of a semiconductor crystal used as the substrate for solid-state circuitry.
      • ‘Their walls are photovoltaic - directly converting sunlight into electrical power, using solid-state semiconductor wafers or thin films mounted on panels.’
      • ‘Many of these microscopic devices must be interconnected by metal wires, which are made by filling tiny trenches in the surface of the semiconductor wafer.’
      • ‘The present invention is directed to an apparatus and process for heating and cooling semiconductor wafers in thermal processing chambers.’
      • ‘Therefore, we can have thousands of devices on a single wafer.’
      • ‘Most chip manufacturers use laser fuses that are activated during the testing portion of the manufacturing process before the individual chips are cut from that wafer.’
      • ‘The wafer fabrication plant apparently did not meet either criterion, despite IDA claims to the contrary.’
      • ‘Increasingly semiconductor firms are cutting back on their own wafer fabrication plants and using outsourcing firms.’
      • ‘China has already obtained 0.25 and 0.35 micrometer technology for etching eight-inch wafers.’
      • ‘Brightfield inspection is used by chipmakers to find the most critical defects during wafer manufacturing.’
      • ‘Lithography tools are used to draw the lines of a circuit on to a semiconductor wafer.’
      • ‘Additionally, the semiconductor wafer is subjected to a flow of ions from an ionization source within the tracking device itself.’
      • ‘Disclosed is a method for making reliable interconnect structures on a semiconductor wafer having a first dielectric layer.’
      • ‘Microelectronics manufacturers create hundreds to thousands of chips simultaneously on large, thin wafers of silicon.’
      • ‘Government officials admitted that plans for eight-inch wafer foundry investments in China still pose many problems.’
      • ‘A carrier is then bonded to an upper surface of the integrated circuit, whereafter a lower portion of the wafer substrate is removed in a grinding and etching operation.’
      • ‘Silicon wafers used for building microcircuits are usually polished at one specific angle to the atomic planes of silicon.’
      • ‘The partnership will focus on making chips out of 300 mm wafers of silicon and the aim is to roll out prototypes in the second half of this year.’
      • ‘The company's costs have risen dramatically thanks to its investment in 300 mm wafer fabs.’
      • ‘Much of this activity results from chip manufacturers' moves to 300-mm wafer assembly lines.’
      • ‘Certainly, there's a big difference between producing wafers and producing chips that work.’
      piece, portion, wedge, chunk, hunk, lump, slab, segment
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    3. 2.3 A disc of red paper stuck on a legal document as a seal.
      • ‘A gold ribbon and wafer seal with the impression of the U.S. Department of State seal is affixed to this certificate.’
      token, chip, disc, jetton
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    4. 2.4historical A small disc of dried paste used for fastening letters or holding papers together.


[with object]archaic
  • Fasten or seal (a letter or document) with a wafer.

    • ‘The document was originally tied with narrow red and blue ribbons, which were attached to the signature page by a wafered impression of the seal of the United States.’


Late Middle English: from an Anglo-Norman French variant of Old French gaufre (see goffer), from Middle Low German wāfel ‘waffle’; compare with waffle.