† metrochromen.
Obsolete. rare.
An instrument for measuring colours.The instrument referred to in quot. 1817 employed three transparent wedges or prisms filled respectively with blue, red, and yellow liquids and each carrying a graduated scale. These were combined to match any given colour.
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the world > matter > colour > science of colour > [noun] > measuring instruments
metrochrome1817
colorimeter1844
spectrometer1874
Tintometer1889
1817 G. Field Chromatics (1845) 223 Thus used in conjunction the three gauges constituted a Metrochrome, or general measure and standard of colours.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online June 2018).
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n.1817- railway library
- railway line
- railway mania
- railway manual
- railway map
- railway marshalling yard
- railway modelling
- railway novel
- railway office
- railway official
- railway pass
- railway passenger
- railway platform
- railway police
- railway policeman
- railway porter
- railway poster
- railway rates tribunal
- railway rug
- railway sandwich
- railway servant
- railway share
- railway shareholder
- railway shed
- railway sickness