What does "photochronograph" mean?

An instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.

What is a synonym for "photochronograph"?

Common synonyms include: beefcake, camera, montage, mug, mug shot, photo.

Photochronograph

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
An instrument for recording very short intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
2
An instrument for the photographic recording of star transits.

Synonyms

All synonyms

beefcake camera montage mug mug shot photo

Etymology

From photo- + chronograph.

Related phrases

magnetic field

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.