graduator

graduator is defined in Webster's Unabridged Dictionary (1913) with 2 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.An instrument for dividing any line, right or curve, into small, regular intervals.
  2. 2.An apparatus for diffusing a solution, as brine or vinegar, over a large surface, for exposure to the air.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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