Operatory

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A laboratory. obsolete
  2. 2
    A room in which a dentist (or assistant) performs tasks on the patient.
Adjective
  1. 1
    effective; practical; operative not-comparable, obsolete
  2. 2
    Of or relating to operations. not-comparable

Etymology

Originally from Medieval Latin operātōrium, from a participle of Late Latin operor. The modern senses may be derived independently of the obsolete senses.

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