- an instrument with mirrors and a shutter used for sending messages in Morse code by reflecting the sun's rays
- a device used to photograph the sun
heliographer /ˌhiːlɪˈɒɡrəfə/ n heliographic /ˌhiːlɪəʊˈɡræfɪk/, ˌhelioˈgraphical adj ˌheliˈography n
单词 | heliograph |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 he•li•o•graph (hē′lē ə graf′, -gräf′),USA pronunciation n.
v.t., v.i.
he′li•og′ra•phy, n. Collins Concise English Dictionary © HarperCollins Publishers:: heliograph /ˈhiːlɪəʊˌɡrɑːf
heliographer /ˌhiːlɪˈɒɡrəfə/ n heliographic /ˌhiːlɪəʊˈɡræfɪk/, ˌhelioˈgraphical adj ˌheliˈography n |
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