photoheliographn.

Brit.

/ˌfəʊtəʊˈhiːlɪəɡrɑːf/,

/ˌfəʊtəʊˈhiːlɪəɡraf/, U.S.

/ˌfoʊdoʊˈhiliəˌɡræf/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, heliograph n.

Etymology: < photo- comb. form + heliograph n. Compare slightly earlier photoheliographic adj.

Astronomy.

A photographic telescope for photographing the sun; = heliograph n. 2.

ΘΚΠ

the world > the universe > cosmology > science of observation > astronomical instruments > observational instruments > [noun] > sun

helioscope1675

heliostat1747

photoheliograph1862

photohelioscope1864

coronagraph1885

spectroheliograph1892

spectrohelioscope1906

spectroheliometer1973

1862 W. Fairbairn in Rep. 31st Meeting Brit. Assoc. Advancem. Sci. 1861 p. liv The careful registering of the appearances of the sun by the photo-heliograph of Sir John Herschel.

1884 C. S. Murray in Brit. Almanac Compan. 20 The great photoheliograph with which Mr. De la Rue took sun-pictures during the eclipse in Spain in 1860.

1899 Westm. Gaz. 24 Aug. 8/2 This novel instrument will be practically a horizontal photo-heliograph, giving images of the moon exceeding a foot in diameter.

1943 Science 19 Mar. 257/1 Substantial observing losses through cloud were recorded in the programs of the Victoria telescope and of the photoheliograph.

2004 Sci. Amer. (U.K. ed.) May 77/1 The scientists were also able to photograph the sun using a photoheliograph.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photoheliograph
释义	photoheliographn. Brit. /ˌfəʊtəʊˈhiːlɪəɡrɑːf/, /ˌfəʊtəʊˈhiːlɪəɡraf/, U.S. /ˌfoʊdoʊˈhiliəˌɡræf/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, heliograph n. Etymology: < photo- comb. form + heliograph n. Compare slightly earlier photoheliographic adj. Astronomy. A photographic telescope for photographing the sun; = heliograph n. 2. ΘΚΠ the world > the universe > cosmology > science of observation > astronomical instruments > observational instruments > [noun] > sun helioscope1675 heliostat1747 photoheliograph1862 photohelioscope1864 coronagraph1885 spectroheliograph1892 spectrohelioscope1906 spectroheliometer1973 1862 W. Fairbairn in Rep. 31st Meeting Brit. Assoc. Advancem. Sci. 1861 p. liv The careful registering of the appearances of the sun by the photo-heliograph of Sir John Herschel. 1884 C. S. Murray in Brit. Almanac Compan. 20 The great photoheliograph with which Mr. De la Rue took sun-pictures during the eclipse in Spain in 1860. 1899 Westm. Gaz. 24 Aug. 8/2 This novel instrument will be practically a horizontal photo-heliograph, giving images of the moon exceeding a foot in diameter. 1943 Science 19 Mar. 257/1 Substantial observing losses through cloud were recorded in the programs of the Victoria telescope and of the photoheliograph. 2004 Sci. Amer. (U.K. ed.) May 77/1 The scientists were also able to photograph the sun using a photoheliograph. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1862
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