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helio-engraving
helio-engraving n. 
/ˌhiːlɪəʊɛnˈɡreɪvɪŋ/, /ˌhiːlɪəʊᵻŋˈɡreɪvɪŋ/, /ˌhiːlɪəʊɛŋˈɡreɪvɪŋ/, /ˌhilioʊɛnˈɡreɪvɪŋ/ = heliogravure n.
Brit. /ˌhiːlɪəʊᵻnˈɡreɪvɪŋ/
, /ˌhiːlɪəʊᵻnˈɡreɪvɪŋ//ˌhiːlɪəʊɛnˈɡreɪvɪŋ//ˌhiːlɪəʊᵻŋˈɡreɪvɪŋ//ˌhiːlɪəʊɛŋˈɡreɪvɪŋ/U.S. /ˌhilioʊᵻnˈɡreɪvɪŋ/
, /ˌhilioʊᵻnˈɡreɪvɪŋ//ˌhilioʊɛnˈɡreɪvɪŋ/ΘΚΠ
society > leisure > the arts > visual arts > printmaking > photomechanical or process printing > [noun] > photogravure or phototypography
heliography1845
photoglyphography1856
photoglyphy1858
phototypy1859
photogravure1873
dallastype1875
phototypography1875
heliogravure1879
autogravure1885
typogravure1885
helio-engraving1886
process engraving1889
gravure1893
colour gravure1900
1886 Sci. Amer. 24 July 49/2 The helio-engraving by etching was brought to a high degree of completion by Klic, of Vienna, in 1883.
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