diaphragm (suomeksi)

pallea (s: anatomia / anatomy: sheet of muscle separating thorax from abdomen)
kalvo (s: anatomia / kaiuttimessa / anatomy: separating membrane or sheet of muscle / mechanics: flexible membrane / acoustics: vibrating membrane in a speaker / chemistry: permeable or semipermeable membrane)
pessaari (s: contraceptive device)
himmennin (s: optiikka / optics: structure with a central aperture used to limit the passage of light)
kaiutinkalvo (s: acoustics: vibrating membrane in a speaker)
himmentää (v: optics: to reduce lens aperture)