1. a photographic copy of a document or printed page made by a photostat machine
Usage: originally a trademark; now often used generically; less common in modern usage due to digital scanning and photocopying
2. a machine that makes photographic copies of documents
Usage: dated; largely replaced by modern photocopiers and scanners

1. to make a photographic copy of (a document or page) using a photostat machine
Usage: dated; less commonly used today

Examples

• The library provided a photostat of the rare manuscript for researchers.
• She requested a photostat of her birth certificate for the application.
• Before digital scanning, offices relied on photostats to duplicate important documents.
• The archivist used the photostat machine to preserve copies of historical records.
• He photostatted the contract pages and sent them to the legal team.
• The museum made photostats of the old letters to protect the fragile originals.