Definition

1. Verb:
   • To mimeograph, to stencil-print: A printing method using a gelatin-based duplicator (hectograph) where a special ink transfers from a master copy onto paper.
   • To duplicate using a gelatin process: Specifically refers to the hectographic process, a low-cost duplication technique common before photocopiers.

Usage Examples

• Verb:
  • Giáo viên thường in thạch tài liệu để phát cho học sinh. (Teachers often mimeograph materials to distribute to students.)
  • Phương pháp in thạch này rất phổ biến ở các văn phòng những năm 80. (This stencil-printing method was very common in offices in the 80s.)

Advanced Usage

• "bản in thạch": a mimeographed copy, a hectograph copy.
  • Những bản in thạch ngày xưa thường có mùi mực đặc trưng. (Old mimeographed copies often had a distinctive ink smell.)

Variants and Related Words

• Máy in thạch (n): mimeograph machine, gelatin duplicator.

  • Chiếc máy in thạch cũ đã không còn được sử dụng. (The old mimeograph machine is no longer in use.)

• Giấy in thạch (n): stencil paper (for preparing the master copy).

  • Anh ấy đang viết nội dung lên giấy in thạch. (He is writing the content onto the stencil paper.)

Synonyms

• In rônêô: to mimeograph (from the brand name "Roneo", a common type of duplicator).
• In ống lăn: to use a roller duplicator (a related duplication method).

Related Phrases (Phrasal Verbs)

(This term is a specific technical compound verb; it does not commonly form phrasal verbs.)

Related Idioms

(This is a technical term and is not typically used in idioms.)