dotter

名词 n.

英文释义

名词 n.
  1. An instrument for drawing dots.
    — Both edges of the crosshead are thus marked, the short centre lines being easily scratched with a scriber as soon as the arcs are made with a calliper, in fact, a mere dot with a dotter is sufficient.

词形变化

dotters plural

词源

Etymology tree
English dot
Proto-Indo-European *-yósder.
Proto-Italic *-āzijos
Latin -āriusnom.
Latin -āriusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
English -er
English dotter
From dot + -er.
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