Word.ws English Dictionary

operanda

operanda is the plural of operandum.

Meaning of operandum

Noun

operandum (plural operanda)

  1. A lever, key or device installed in an operant chamber, upon which the "subject" exerts its responses. Sometimes referred to as a manipulandum. In the prototypical operant conditioning experiment, a rat (the subject) presses upon a lever (the operandum) which triggers the delivery of food (the reward or reinforcer).

Questions about operanda

What is operanda the plural of?
Operanda is the plural of operandum.

Words near operanda in the dictionary

  1. operameter
  2. operameters
  3. operance
  4. operancy
  5. operand
  6. operanda
  7. operands
  8. operandum
  9. operant
  10. operant conditioning
  11. operantly

Source and license

Adapted from Wiktionary: operanda (page history and authors); operandum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “operanda.” Word.ws, https://word.ws/operanda. Based on Wiktionary, CC BY-SA 4.0.