photographic enlarger
A device used in darkrooms to project and enlarge photographic negatives onto paper.
I use an enlarger in the darkroom to make photographs bigger.
Standard full kanji spelling for a photographic enlarger.
Abbreviated kanji form; common in technical contexts.
Compound of 引き伸ばし (enlarging, from 引く 'pull' and 伸ばす 'stretch') and 機 (machine).