Wafer

Definitions

1. A light, thin, flat biscuit/cookie.
2. A thin disk of consecrated unleavened bread used in communion.
3. A soft disk originally made of flour, and later of gelatin or a similar substance, used to seal letters, attach papers etc.
4. A thin disk of silicon or other semiconductor on which an electronic circuit is produced.

Equivalents

Examples

“I was at the Mathematical School, where the Maſter taught his Pupils after a Method ſcarce imaginable to us in Europe. The Propoſition and Demonſtration were fairly written on a thin Wafer, with Ink compoſed of a Cephalick Tincture. This the Student was to ſwallow upon a faſting Stomach, and for three days following eat⟳ nothing but Bread and Water. As the Wafer digeſted, the Tincture mounted to his Brain, bearing the Propoſition along with it.”

“The house supplied him with a wafer for his present⟳ purpose, with which, having sealed his letter, he returned hastily towards the brook side, in order⟳ to search⟳ for the things which he had there lost.”

CEFR level