photometriciann.
/ˌfəʊtə(ʊ)mᵻˈtrɪʃn/, U.S. /ˌfoʊdoʊməˈtrɪʃ(ə)n/ Now rare.
= photometrist n.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > light > intensity of light, luminosity > [noun] > degree of intensity > practitioner of
photometrist1867
photometrician1869
1869 Appletons' Jrnl. 25 Dec. 600/1 We have before us, as we write, a series of colored prominence-pictures, taken by Dr. Zöllner, the eminent photometrician.
1870 R. A. Proctor Other Worlds than Ours v. 143 The estimates of Zöllner, the eminent photometrician, serve to show..that Jupiter sends more light to us..than a planet of equal size and constituted like Mars..could possibly reflect to us if placed where Jupiter is.
1923 Jrnl. Optical Soc. Amer. 7 78 It [sc. a new photometer] utilizes novel methods of light control which enable the photometrician to obtain a color match with a standard lamp in the sphere.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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n.1869