noun
stencil; mimeograph stencil
Specifically the waxed paper stencil used in mimeograph duplication. Now largely historical, but still encountered in older office contexts.
昔の学校では、テストを原紙で印刷していた。
In old schools, tests were printed using mimeograph stencils.
noun
silkworm egg sheet
Specialized term in sericulture: a sheet of paper on which silkworm eggs are laid and stored.
養蚕農家は原紙に産み付けられた卵を管理する。
Sericulture farmers manage the eggs laid on the silkworm egg sheet.
noun
base paper; body paper
Papermaking term: the raw or uncoated paper that serves as the substrate for further processing, such as coating or laminating.
この工場では、原紙に特殊なコーティングを施している。
At this factory, they apply a special coating to the base paper.