Rapidograph

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A technical pen.

Synonyms

All synonyms
technical pen

Etymology

From the brand name of a technical pen introduced by Rotring in the 1950s, presumably rapid + -o- + -graph.

Related phrases

technical pen

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.