wafer

A small, thin, crisp cake, biscuit, or candy.

A small thin disk of unleavened bread used in the Eucharist.

A flat, tablet of rice paper or dried flour paste encasing a powdered drug.

A small disk of adhesive material used as a seal for papers.

A small, thin circular slice of a semiconducting material, such as pure silicon, on which an integrated circuit can be formed.

To seal or fasten together with a disk of adhesive material.

To prepare in the form of wafers.

To divide into wafers.

In photography, chemicals employed in developing, compressed into a flat cake to be dissolved in water for use.

To attach by means of a wafer or wafers.