photoheliographicadj.
/ˌfəʊtəʊˌhiːlɪəˈɡrafɪk/, U.S. /ˈˌfoʊdoʊˌhiliəˈɡræfɪk/ Astronomy.
Of or relating to photographs of the sun; used for taking such photographs.
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society > leisure > the arts > visual arts > photography > [adjective] > scientific and technical
photoheliographic1858
astrophotographic1859
astrophotographical1888
photogeologic1891
photogrammetrical1891
phototopographical1892
photogrammetric1893
phototopographic1895
stereophotogrammetric1930
photogeological1940
Trimetrogen1944
electronographic1964
the world > the universe > cosmology > astronomy > stars > [adjective] > sun > photography
photoheliographic1858
1858 Ladies' Repository Feb. 114/2 A photoheliographic apparatus has lately been established at Kew.
1905 Athenæum 29 Apr. 535/1 The volume of ‘Greenwich Observations’ for the year 1902..together with..‘Magnetical and Meteorological Observations’, and ‘Photoheliographic Results’.
1940 Proc. National Acad. Sci. U.S.A. 26 407 The variations of the daily areas of faculae,..as recorded in the Greenwich photo-heliographic results.
1978 Royal Observatory Ann. No. 12. 5 The present volume contains photoheliographic results for the years 1968 to 1971 inclusive.
2003 Proc. Internat. Solar Cycle Stud. Symp. Special Publ. No. 535. 153/1 A quasi-biennial fluctuation has ben detected in the time-series of the sunspot umbra/penumbra (U/P) area ratios on the basis of the Debrecen Photoheliographic Data.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1858- two-coloured
- two-column
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- two-cum-dicky
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- two-cylinder
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