You searched for: “atmograph
atmograph (s) (noun), atmographs (pl)
1. A device for recording the movements of breathing: An atmograph is an instrument for registering the varying characters of respiratory movements.
2. In photography, a picture acquired by the process of vapors or smoke: Jane was especially interested in taking photos and developing them as atmogrphs using vapors, or the visible suspension of particles of certain substances in the air.
This entry is located in the following units: atmo-, atm- + (page 1) grapho-, graph-, -graph, -graphy, -grapher, -graphia (page 7)