wafer

باللغة العربية: رُقَاقَة

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 A soft disk originally made of flour, and later of gelatin or a similar substance, used to seal letters, attach papers etc.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.

الجمع wafers