| 单词 | helicograph |
| 释义 | helicograph in British English (ˈhɛlɪkəʊˌɡrɑːf, -ˌɡræf) noun an instrument for drawing spiral curves helicograph in American English (ˈhelɪkouˌɡræf, -ˌɡrɑːf) noun an instrument for drawing helices Word origin [1850–55; helico- + -graph]This word is first recorded in the period 1850–55. Other words that entered Englishat around the same time include: boneyard, ethos, ethylene, muggins, proletariat-graph is a combining form meaning “drawn,” “written” (lithograph; monograph). It is specialized in meaning to indicate the instrument rather than the writtenproduct of the instrument (telegraph; phonograph) |
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