kapnographyn.
/kapˈnɒɡrəfi/ Name for a mode of producing designs or pictures on a smoked surface of glass, etc.
ΚΠ
1890 in Cent. Dict.
Derivatives
kapnoˈgraphic adj.
This entry has not yet been fully updated (first published 1901; most recently modified version published online March 2018).
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n.1890