GRADUATOR

Etymology

Noun

graduator (plural graduators)

One who determines or indicates graduation.

An instrument for dividing any line, straight or curved, into smaller regular intervals.

An apparatus for diffusing a solution, such as brine or vinegar, over a large surface, for exposure to the air.

Source: Wiktionary

Grad"u*a"tor, n.

1. One who determines or indicates graduation; as, a graduator of instruments.

2. An instrument for dividing any line, right or curve, into small, regular intervals.

3. 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