rapidograph
nounEtymology From the brand name of a technical pen introduced by Rotring in the 1950s, presumably rapid + -o- + -graph.
1
A technical pen.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From the brand name of a technical pen introduced by Rotring in the 1950s, presumably rapid + -o- + -graph.
A technical pen.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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