資料來源 : Webster's Revised Unabridged Dictionary (1913)

Photometrician \Pho*tom`e*tri"cian\, Photometrist
\Pho*tom"e*trist\, n.
   A specialist in photometry.

資料來源 : WordNet®

photometrist
     n : someone who  practices photometry [syn: {photometrician}]