manometric capsule
noun
A similar device for analysing sound vibrations in a pipe or other resonator, in which the vibrations of the membrane are amplified by an attached mirror (now chiefly historical ).
Origin
Late 19th century; earliest use found in George Prescott (1830–1894).
- prompter
- prompter's bell
- prompter's book
- prompter's box
- prompter's copy
- prompter's table
- prompting
- promptitude
- promptive
- promptly
- promptness
- prompt note
- prompt-paying
- promptress
- prompt script
- prompt side
- prompt table
- promptuary
- prompt-word
- prom queen
- promulgate
- promulgater
- promulgation
- promulgator
- promulge