Word.ws English Dictionary

manograph

manograph noun: an optical device for making pressure volume diagrams for high-speed engines, involving a light-tight box or camera having at one end a small convex mirror reflecting a beam of light onto the ground glass or photographic plate at the other end. The mirror is pivoted so that it can be moved so as to copy the motion of the engine piston on a smaller scale.

Noun

manograph (plural manographs)

  1. An optical device for making pressure volume diagrams for high-speed engines, involving a light-tight box or camera having at one end a small convex mirror reflecting a beam of light onto the ground glass or photographic plate at the other end. The mirror is pivoted so that it can be moved so as to copy the motion of the engine piston on a smaller scale.
    • In addition to the ordinary type of indicator, the Author describes the Hospitalier and the Schultze manographs, in which the diagram is produced photographically by reflecting a beam of light from a mirror attached to a diaphragm […]1909, Minutes of Proceedings of the Institution of Civil Engineers

Forms of manograph

pluralmanographs

Origin of manograph

From Ancient Greek μανός (manós, “thin, rare”) + -graph.

Questions about manograph

What does manograph mean?
Manograph means an optical device for making pressure volume diagrams for high-speed engines, involving a light-tight box or camera having at one end a small convex mirror reflecting a beam of light onto the ground glass or photographic plate at the other end. The mirror is pivoted so that it can be moved so as to copy the motion of the engine piston on a smaller scale.
What part of speech is manograph?
Manograph is a noun.
What is the plural of manograph?
The plural of manograph is manographs.

Words near manograph in the dictionary

  1. manoeuvres the apostles
  2. manoeuvring
  3. manoeuvring the apostles
  4. manoeuvrings
  5. manoever
  6. manograph
  7. manographs
  8. Manohar
  9. Manoian
  10. Manoians
  11. manoir

Source and license

Adapted from Wiktionary: manograph (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “manograph.” Word.ws, https://word.ws/manograph. Based on Wiktionary, CC BY-SA 4.0.