wafer
nounDefinition of wafer
(Entry 1 of 2)
1a
: a thin crisp cake, candy, or cracker
b
: a round thin piece of unleavened bread used in the celebration of the Eucharist
2
: an adhesive disk of dried paste with added coloring matter used as a seal
3a
: a thin disk or ring resembling a wafer and variously used (as for a valve or diaphragm)
b
: a thin slice of semiconductor (such as silicon) used as a base for an electronic component or circuit
wafer
verbDefinition of wafer (Entry 2 of 2)
1
: to seal, close, or fasten with a wafer
2
: to divide (something, such as a silicon rod) into wafers
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