† metrochromen.

Origin: Formed within English, by compounding. Etymons: metro- comb. form², -chrome comb. form.

Etymology: < metro- comb. form² + -chrome comb. form. N.E.D (1906) gives the pronunciation as (me·trokro^um) /ˈmɛtrəʊkrəʊm/.

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.

ΘΚΠ

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).

单词	metrochrome
释义	† metrochromen. Origin: Formed within English, by compounding. Etymons: metro- comb. form², -chrome comb. form. Etymology: < metro- comb. form² + -chrome comb. form. N.E.D (1906) gives the pronunciation as (me·trokro^um) /ˈmɛtrəʊkrəʊm/. 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. ΘΚΠ 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). < n.1817
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