lineāls

Probably borrowed from German Lineal (“ruler”).

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lineāls m (1st declension)

1. ruler (flat, straight instrument for measuring or drawing, usually labeled with a length scale)

   trīsstūra lineāls ― triangular ruler

   mēroga lineāls ― scale ruler

   logaritmiskais lineāls ― slide rule (lit. logarithmic ruler)

   taisns kā lineāls ― straight as a ruler (i.e., completely straight)

   stūrmanis strādā ar lineālu, cirkuli un zīmuli, atzīmēdams kartē taisnāko ceļu no Kurzemes līdz zviedru krastiem ― the helmsman works with ruler, compass and pencil, drawing on the map the straightest path from Courland to the Swedish coast

• logaritmiskais lineāls