Diaphragm

бле́нда

blénda

(optics: structure with a central aperture used to limit the passage of light)

диафра́гма

diafrágma

(anatomy: sheet of muscle separating thorax from abdomen)

диафра́гма

diafrágma

(optics: structure with a central aperture used to limit the passage of light)

мембра́на

membrána

(anatomy: separating membrane or sheet of muscle)

мембра́на

membrána

(mechanics: flexible membrane)

мембра́на

membrána

(acoustics: vibrating membrane in a speaker)

мембра́на

membrána

(chemistry: permeable or semipermeable membrane)