noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   One who graduates (determines or indicates graduation).

   "a graduator of instruments"

2. 2
   An instrument for dividing any line, straight or curved, into smaller regular intervals.
3. 3
   An apparatus for diffusing a solution, such as brine or vinegar, over a large surface, for exposure to the air.

Etymology

From graduate + -or.

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