a small adhesive disk of paste; used to seal letters
<noun.substance>
a small thin crisp cake or cookie
<noun.food>
thin disk of unleavened bread used in a religious service (especially in the celebration of the Eucharist)
<noun.food>
Wafer \Wa"fer\, n. [OE. wafre, OF. waufre, qaufre, F. qaufre; of Teutonic origin; cf. LG. & D. wafel, G. waffel, Dan. vaffel, Sw. v[*a]ffla; all akin to G. wabe a honeycomb, OHG. waba, being named from the resemblance to a honeycomb. G. wabe is probably akin to E. weave. See {Weave}, and cf. {Waffle}, {Gauffer}.] 1. (Cookery) A thin cake made of flour and other ingredients.
Wafers piping hot out of the gleed. --Chaucer.
The curious work in pastry, the fine cakes, wafers, and marchpanes. --Holland.
A woman's oaths are wafers -- break with making --B. Jonson.
2. (Eccl.) A thin cake or piece of bread (commonly unleavened, circular, and stamped with a crucifix or with the sacred monogram) used in the Eucharist, as in the Roman Catholic Church.
3. An adhesive disk of dried paste, made of flour, gelatin, isinglass, or the like, and coloring matter, -- used in sealing letters and other documents.
4. Any thin but rigid plate of solid material, esp. of discoidal shape; -- a term used commonly to refer to the thin slices of silicon used as starting material for the manufacture of integrated circuits. [PJC]
{Wafer cake}, a sweet, thin cake. --Shak.
{Wafer irons}, or {Wafer tongs} (Cookery), a pincher-shaped contrivance, having flat plates, or blades, between which wafers are baked.
{Wafer woman}, a woman who sold wafer cakes; also, one employed in amorous intrigues. --Beau. & Fl.
Wafer \Wa"fer\, v. t. [imp. & p. p. {Wafered}; p. pr. & vb. n. {Wafering}.] To seal or close with a wafer.
Mr. Huang and other researchers believe the silver oxide reduces resistances to current flow in the superconductive wafer.
Next year Western Digital plans to consolidate its operations from 11 buildings in Irvine into two buildings in the same citya new headquarters and, a block away, a modern $100 million silicon wafer fabrication plant.
Such competing technologies as electron beams require that a beam be moved across the wafer repeatedly, etching devices line by tiny line.
But, according to regulatory data, the Hot Springs bank's $13 million in primary capital is slightly less than regulators require and its $3.5 million in equity capital, or 1.3% of assets, is considered wafer thin.
Westinghouse had been developing the wafer radar with its own money and assistance from McDonnell-Douglas Aircraft Corp.
His telegenity - the carefully styled hair, the fleshy, babyish face - sometimes seems wafer thin.
A photographic process etches a pattern on a silicon wafer, which is then washed in chemicals, leaving the desired crank, spring or gear shape intact.
The company said its new Bloomington, Minn., wafer fabrication plant is a quarter ahead of schedule and contributing to profits.
Accounting for some of the cuts is the closing of an obsolete wafer fabrication plant in Dallas.
O'Connor later said he was particularly upset that one person who stood in line for Holy Communion broke the wafer and threw it on the floor.
One threw a Communion wafer on the floor.
A single wafer radar system would be able to watch for aircraft or missiles, follow them and map terrain and control weapons, functions now performed by separate systems with separate antennas.
The difference is in the silicon wafer which the chips are made on.
Investments in both areas would be increased, with a wafer plant in south-east Asia a possibility; Siemens currently makes wafers (used in semiconductor production) in Germany, France and Austria.
(One micron is approximately 1/100th of the thickness of a human hair). The New Mexico factory, which is Intel's largest wafer fabrication plant, produces microprocessors, the brains of personal computers, and other advanced logic chips.
Engineers are now developing such machines, which fire computer-guided beams of electrons or protons to burn circuit patterns of under 0.1 micron directly into a silicon wafer.