diffractometern.
/ˌdɪfrakˈtɒmᵻtə/, U.S. /ˌdɪfrækˈtɑmədər/ Science.
An instrument for measuring diffraction, esp. one used to study crystalline materials and their atomic structure by measuring the diffraction of X-rays.See also X-ray diffractometer n. at X-ray n. and adj. Compounds 2b.
ΘΚΠ
the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] > light or radiation
phaometer1747
photometer1779
diaphanometer1789
lucimeter1825
refractometer1842
Abbe refractometer1876
dietheroscope1877
reflectometer1879
radiomicrometer1887
holophotometer1888
flicker photometer1896
microphotometer1899
diffractometer1909
spot meter1952
photopolarimeter1971
1909 Nature 14 Oct. 474/1 The author [sc. C. W. Chamberlain] suggested an arrangement, called a diffractometer, which he considered should detect the transverse change.
1954 Philips Techn. Rev. 16 123 The new instrument, which from now on will be termed an X-ray diffractometer..comprises..a basic diffraction unit..a Geiger counter goniometer, and an electronic circuit panel with automatic recorder.
1960 Times Rev. Industry May 31/1 Crystal structure can be examined by means of a diffractometer.
1974 Nature 19 Apr. 671/2 Both structure analyses were based on diffractometer data taken with monochromatised Cu radiation.
2004 R. O. Gould tr. W. Massa Crystal Struct. Determination (ed. 2) vii. 77 It is possible to make use of the relationship between the axial systems of the camera and the diffractometer.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022).
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n.1909