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Definition of wafer

wafer

/ˈweɪ.fɚ/
wa · fer

Plural:wafers
•
Past Simple:wafered
•
Past Participle:wafered
•
Present Participle:wafering
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wafer Lexical Profile

wafer Game Scores & Validity

• noun

1

A thin, light, crisp sweet biscuit or cracker, often eaten with ice cream or used to sandwich a creamy filling.

Example

"She served the tall glass of vanilla ice cream garnished with a chocolate wafer."


2

A very thin slice of a semiconductor material, such as silicon, used as a substrate for fabricating integrated circuits and microchips.

Example

"The cleanroom facility produces thousands of silicon wafers every day for the global microelectronics industry."


3

A thin disk of unleavened bread used in the Christian sacrament of the Eucharist.

Example

"The priest distributed the communion wafers to the congregation during Sunday mass."

Synonyms
View all synonyms for wafer

• verb

1

To divide, cut, or press material into thin slices.

Example

"The highly calibrated machine is designed to wafer the silicon ingots with extreme precision."


2

To seal, close, or fasten a letter or document using a small adhesive disk (historical).

Example

"The clerk folded the confidential letter and wafered it securely before dispatching it with the courier."

• Rhymes for wafer

Word Origin & Etymology

Middle English 'wafre', from Anglo-Norman 'wafre', derived from an Old French word of Germanic origin, closely related to the Dutch 'wafel' (waffle) and referring to a honeycomb-like cake.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Wafer. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/wafer
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