photometric, a.
(fəʊtəʊˈmɛtrɪk)
[f. photometry + -ic.]
Of or pertaining to photometry. photometric bench = photometer bench.
| 1849 Lit. Gaz. 24 Feb. 132/1 He [Grove] had tested by the photometric method of equality of shadows the intensity of the light as compared with a common wax candle. 1869 Dunkin Midn. Sky 175 Interesting photometric experiments..on the relative light of the principal stars. 1875 Bennett & Dyer Sachs' Bot. 663. 1894 G. W. & M. R. Patterson tr. Palaz's Treat. Industr. Photometry iv. 178 The photometric bench is an optical bench strongly and carefully constructed. 1966 Large & Wilman in Hewitt & Vause Lamps & Lighting vii. 89 Where measurements involving direction and distance are concerned a photometric bench is required. |
So
photoˈmetrical a., dealing with photometry; made or measured by a photometer;
photoˈmetrically adv., according to photometry, by means of a photometer;
photometrician (
-ˈɪʃən),
photometrist (
-ˈtɒmɪtrɪst), one who practises photometry.
| 1833 Herschel Astron. xii. 375 A numerical estimate, grounded on precise *photometrical experiments, of the apparent brightness of each star. 1864 Daily Tel. 16 Sept., The photometrical standard [of gas-light] is more than twice as high in many other places than it is in London. |
| 1854 Brewster More Worlds v. 95 In measuring *photometrically the light of these three different structures. 1883 Athenæum 16 June 766/2 Method of determining the magnitudes of stars photometrically. |
| 1870 Proctor Other Worlds 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, the moon, or the earth, could possibly reflect to us if placed where Jupiter is. |
| 1867 W. R. Bowditch Coal Gas iii. 67 The best way for a *photometrist to be certain of his instruments is to test them himself. |